100200020120120 has 64 divisors (see below), whose sum is σ = 240857864668800. Its totient is φ = 37403809534080.

The previous prime is 100200020120099. The next prime is 100200020120153. The reversal of 100200020120120 is 21021020002001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983845586 + ... + 983947425.

It is an arithmetic number, because the mean of its divisors is an integer number (3763404135450).

Almost surely, 2^{100200020120120} is an apocalyptic number.

100200020120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100200020120120 is an abundant number, since it is smaller than the sum of its proper divisors (140657844548680).

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

100200020120120 is a wasteful number, since it uses less digits than its factorization.

100200020120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967793108 (or 1967793104 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100200020120120 its reverse (21021020002001), we get a palindrome (121221040122121).

The spelling of 100200020120120 in words is "one hundred trillion, two hundred billion, twenty million, one hundred twenty thousand, one hundred twenty".