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1112213212120 = 235193662939953
BaseRepresentation
bin10000001011110101000…
…100101100101111011000
310221022211001101020010101
4100023311010230233120
5121210303040241440
62210535501025144
7143232452213653
oct20136504545730
93838731336111
101112213212120
113997613aa02a
1215b679b551b4
1380b5c1719ca
143bb8d54689a
151dde7cda69a
hex102f512cbd8

1112213212120 has 64 divisors (see below), whose sum is σ = 2634327036000. Its totient is φ = 421448214528.

The previous prime is 1112213212111. The next prime is 1112213212157. The reversal of 1112213212120 is 212123122111.

It is a super-2 number, since 2×11122132121202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27818064 + ... + 27858016.

Almost surely, 21112213212120 is an apocalyptic number.

1112213212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112213212120 is an abundant number, since it is smaller than the sum of its proper divisors (1522113823880).

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

1112213212120 is a wasteful number, since it uses less digits than its factorization.

1112213212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76612 (or 76608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1112213212120 its reverse (212123122111), we get a palindrome (1324336334231).

Subtracting from 1112213212120 its reverse (212123122111), we obtain a palindrome (900090090009).

The spelling of 1112213212120 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 36629 39953 73258 79906 146516 159812 183145 199765 293032 319624 366290 399530 695951 732580 759107 799060 1391902 1465160 1518214 1598120 2783804 3036428 3479755 3795535 5567608 6072856 6959510 7591070 13919020 15182140 27838040 30364280 1463438437 2926876874 5853753748 7317192185 11707507496 14634384370 27805330303 29268768740 55610660606 58537537480 111221321212 139026651515 222442642424 278053303030 556106606060 1112213212120