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121232242232120 = 23589191178293197
BaseRepresentation
bin11011100100001010010100…
…101110111100101100111000
3120220020200121101221020112002
4123210022110232330230320
5111342232113002411440
61105501153452240132
734351511656301015
oct3344122456745470
9526220541836462
10121232242232120
11356a033a249528
121171b754770048
1352851c77a6926
1421d195971470c
15e037dec2a115
hex6e4294bbcb38

121232242232120 has 64 divisors (see below), whose sum is σ = 277281581529600. Its totient is φ = 47696995793920.

The previous prime is 121232242232093. The next prime is 121232242232161. The reversal of 121232242232120 is 21232242232121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88466639 + ... + 89826558.

It is an arithmetic number, because the mean of its divisors is an integer number (4332524711400).

Almost surely, 2121232242232120 is an apocalyptic number.

121232242232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121232242232120 is an abundant number, since it is smaller than the sum of its proper divisors (156049339297480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121232242232120 is a wasteful number, since it uses less digits than its factorization.

121232242232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178293488 (or 178293484 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 121232242232120 its reverse (21232242232121), we get a palindrome (142464484464241).

Subtracting from 121232242232120 its reverse (21232242232121), we obtain a palindrome (99999999999999).

The spelling of 121232242232120 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, two hundred forty-two million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 89 178 191 356 382 445 712 764 890 955 1528 1780 1910 3560 3820 7640 16999 33998 67996 84995 135992 169990 339980 679960 178293197 356586394 713172788 891465985 1426345576 1782931970 3565863940 7131727880 15868094533 31736189066 34054000627 63472378132 68108001254 79340472665 126944756264 136216002508 158680945330 170270003135 272432005016 317361890660 340540006270 634723781320 681080012540 1362160025080 3030806055803 6061612111606 12123224223212 15154030279015 24246448446424 30308060558030 60616121116060 121232242232120