30032100120 has 64 divisors (see below), whose sum is σ = 98286877440. Its totient is φ = 7280508800.

The previous prime is 30032100101. The next prime is 30032100179. The reversal of 30032100120 is 2100123003.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30032100096 and 30032100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11374476 + ... + 11377115.

It is an arithmetic number, because the mean of its divisors is an integer number (1535732460).

Almost surely, 2^30032100120 is an apocalyptic number.

30032100120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30032100120 is an abundant number, since it is smaller than the sum of its proper divisors (68254777320).

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

30032100120 is a wasteful number, since it uses less digits than its factorization.

30032100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751616 (or 22751612 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30032100120 its reverse (2100123003), we get a palindrome (32132223123).

The spelling of 30032100120 in words is "thirty billion, thirty-two million, one hundred thousand, one hundred twenty".