120224012100 has 36 divisors (see below), whose sum is σ = 347848142544. Its totient is φ = 32059736480.

The previous prime is 120224012099. The next prime is 120224012113. The reversal of 120224012100 is 1210422021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120224012100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200373054 + ... + 200373653.

It is an arithmetic number, because the mean of its divisors is an integer number (9662448404).

Almost surely, 2^120224012100 is an apocalyptic number.

120224012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120224012100 is an abundant number, since it is smaller than the sum of its proper divisors (227624130444).

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

120224012100 is a wasteful number, since it uses less digits than its factorization.

120224012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400746724 (or 400746717 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120224012100 its reverse (1210422021), we get a palindrome (121434434121).

The spelling of 120224012100 in words is "one hundred twenty billion, two hundred twenty-four million, twelve thousand, one hundred".