100120012200 has 192 divisors, whose sum is σ = 371385604800. Its totient is φ = 24644908800.

The previous prime is 100120012171. The next prime is 100120012271. The reversal of 100120012200 is 2210021001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 642906 + ... + 783305.

It is an arithmetic number, because the mean of its divisors is an integer number (1934300025).

Almost surely, 2^100120012200 is an apocalyptic number.

100120012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120012200 is an abundant number, since it is smaller than the sum of its proper divisors (271265592600).

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

100120012200 is a wasteful number, since it uses less digits than its factorization.

100120012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426249 (or 1426234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100120012200 its reverse (2210021001), we get a palindrome (102330033201).

The spelling of 100120012200 in words is "one hundred billion, one hundred twenty million, twelve thousand, two hundred".