100111020012012 has 36 divisors (see below), whose sum is σ = 237484540188168. Its totient is φ = 32823285235200.

The previous prime is 100111020011969. The next prime is 100111020012037. The reversal of 100111020012012 is 210210020111001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120969189 + ... + 1121058492.

Almost surely, 2^{100111020012012} is an apocalyptic number.

100111020012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111020012012 is an abundant number, since it is smaller than the sum of its proper divisors (137373520176156).

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

100111020012012 is a wasteful number, since it uses less digits than its factorization.

100111020012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242027810 (or 2242027747 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100111020012012 its reverse (210210020111001), we get a palindrome (310321040123013).

The spelling of 100111020012012 in words is "one hundred trillion, one hundred eleven billion, twenty million, twelve thousand, twelve".