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1232133232220 = 225118009699289
BaseRepresentation
bin10001111011100000110…
…111010001011001011100
311100210100111001102211022
4101323200313101121130
5130141402101412340
62342011215143312
7155006260445552
oct21734067213134
94323314042738
101232133232220
114355aa0a7060
1217a966b14b38
138c260904b97
14438c7dcdbd2
15220b5c433b5
hex11ee0dd165c

1232133232220 has 48 divisors (see below), whose sum is σ = 2823061701600. Its totient is φ = 447991864320.

The previous prime is 1232133232219. The next prime is 1232133232223. The reversal of 1232133232220 is 222323312321.

It is a super-2 number, since 2×12321332322202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232133232220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232133232223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412336 + ... + 2111624.

It is an arithmetic number, because the mean of its divisors is an integer number (58813785450).

Almost surely, 21232133232220 is an apocalyptic number.

1232133232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232133232220 is an abundant number, since it is smaller than the sum of its proper divisors (1590928469380).

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

1232133232220 is a wasteful number, since it uses less digits than its factorization.

1232133232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707318 (or 707316 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1232133232220 its reverse (222323312321), we get a palindrome (1454456544541).

The spelling of 1232133232220 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 8009 16018 32036 40045 80090 88099 160180 176198 352396 440495 699289 880990 1398578 1761980 2797156 3496445 6992890 7692179 13985780 15384358 30768716 38460895 76921790 153843580 5600605601 11201211202 22402422404 28003028005 56006056010 61606661611 112012112020 123213323222 246426646444 308033308055 616066616110 1232133232220