100012000111212 has 24 divisors (see below), whose sum is σ = 266698666963456. Its totient is φ = 28574857174608.

The previous prime is 100012000111181. The next prime is 100012000111217. The reversal of 100012000111212 is 212111000210001.

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

It is not an unprimeable number, because it can be changed into a prime (100012000111217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595309524388 + ... + 595309524555.

Almost surely, 2^{100012000111212} is an apocalyptic number.

100012000111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100012000111212 is an abundant number, since it is smaller than the sum of its proper divisors (166686666852244).

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

100012000111212 is a wasteful number, since it uses less digits than its factorization.

100012000111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190619048957 (or 1190619048955 counting only the distinct ones).

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

Adding to 100012000111212 its reverse (212111000210001), we get a palindrome (312123000321213).

The spelling of 100012000111212 in words is "one hundred trillion, twelve billion, one hundred eleven thousand, two hundred twelve".