12012112333100 has 72 divisors (see below), whose sum is σ = 28438771468800. Its totient is φ = 4367606817600.

The previous prime is 12012112333087. The next prime is 12012112333141. The reversal of 12012112333100 is 133321121021.

It is a happy number.

It is a super-2 number, since 2×12012112333100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10637441 + ... + 11712359.

Almost surely, 2^{12012112333100} is an apocalyptic number.

12012112333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012112333100 is an abundant number, since it is smaller than the sum of its proper divisors (16426659135700).

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

12012112333100 is a wasteful number, since it uses less digits than its factorization.

12012112333100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085103 (or 1085096 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12012112333100 its reverse (133321121021), we get a palindrome (12145433454121).

The spelling of 12012112333100 in words is "twelve trillion, twelve billion, one hundred twelve million, three hundred thirty-three thousand, one hundred".