3201000120 has 96 divisors (see below), whose sum is σ = 10788588720. Its totient is φ = 853597440.

The previous prime is 3201000083. The next prime is 3201000157. The reversal of 3201000120 is 210001023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3201000083) and next prime (3201000157).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154941 + ... + 174380.

Almost surely, 2^3201000120 is an apocalyptic number.

3201000120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201000120 is an abundant number, since it is smaller than the sum of its proper divisors (7587588600).

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

3201000120 is a wasteful number, since it uses less digits than its factorization.

3201000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329347 (or 329331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3201000120 is about 56577.3816997570. The cubic root of 3201000120 is about 1473.7661031980.

Adding to 3201000120 its reverse (210001023), we get a palindrome (3411001143).

The spelling of 3201000120 in words is "three billion, two hundred one million, one hundred twenty", and thus it is an aban number.