100230121200 has 120 divisors (see below), whose sum is σ = 350258760576. Its totient is φ = 24298208000.

The previous prime is 100230121157. The next prime is 100230121213. The reversal of 100230121200 is 2121032001.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3783396 + ... + 3809795.

Almost surely, 2^100230121200 is an apocalyptic number.

100230121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100230121200 is an abundant number, since it is smaller than the sum of its proper divisors (250028639376).

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

100230121200 is a wasteful number, since it uses less digits than its factorization.

100230121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593223 (or 7593212 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100230121200 its reverse (2121032001), we get a palindrome (102351153201).

The spelling of 100230121200 in words is "one hundred billion, two hundred thirty million, one hundred twenty-one thousand, two hundred".