120435554100 has 36 divisors (see below), whose sum is σ = 348460204064. Its totient is φ = 32116147680.

The previous prime is 120435554093. The next prime is 120435554117. The reversal of 120435554100 is 1455534021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200725624 + ... + 200726223.

Almost surely, 2^120435554100 is an apocalyptic number.

120435554100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120435554100 is an abundant number, since it is smaller than the sum of its proper divisors (228024649964).

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

120435554100 is a wasteful number, since it uses less digits than its factorization.

120435554100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401451864 (or 401451857 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 120435554100 in words is "one hundred twenty billion, four hundred thirty-five million, five hundred fifty-four thousand, one hundred".