100120021200012 has 24 divisors (see below), whose sum is σ = 254850963054912. Its totient is φ = 30339400363600.

The previous prime is 100120021200007. The next prime is 100120021200041. The reversal of 100120021200012 is 210002120021001.

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 7 ways as a sum of consecutive naturals, for example, 379242504414 + ... + 379242504677.

It is an arithmetic number, because the mean of its divisors is an integer number (10618790127288).

Almost surely, 2^{100120021200012} is an apocalyptic number.

100120021200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100120021200012 is an abundant number, since it is smaller than the sum of its proper divisors (154730941854900).

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

100120021200012 is a wasteful number, since it uses less digits than its factorization.

100120021200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758485009109 (or 758485009107 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100120021200012 its reverse (210002120021001), we get a palindrome (310122141221013).

The spelling of 100120021200012 in words is "one hundred trillion, one hundred twenty billion, twenty-one million, two hundred thousand, twelve".