30231000120 has 64 divisors (see below), whose sum is σ = 93820356000. Its totient is φ = 7783612928.

The previous prime is 30231000113. The next prime is 30231000139. The reversal of 30231000120 is 2100013203.

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 = 30231000096 and 30231000105.

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, 4340055 + ... + 4347014.

Almost surely, 2^30231000120 is an apocalyptic number.

30231000120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30231000120 is an abundant number, since it is smaller than the sum of its proper divisors (63589355880).

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

30231000120 is a wasteful number, since it uses less digits than its factorization.

30231000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687112 (or 8687108 counting only the distinct ones).

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

Adding to 30231000120 its reverse (2100013203), we get a palindrome (32331013323).

The spelling of 30231000120 in words is "thirty billion, two hundred thirty-one million, one hundred twenty", and thus it is an aban number.