120312012030 has 64 divisors (see below), whose sum is σ = 341377943040. Its totient is φ = 26551615104.

The previous prime is 120312012017. The next prime is 120312012071. The reversal of 120312012030 is 30210213021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9871744 + ... + 9883923.

It is an arithmetic number, because the mean of its divisors is an integer number (5334030360).

Almost surely, 2^120312012030 is an apocalyptic number.

120312012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120312012030 is an abundant number, since it is smaller than the sum of its proper divisors (221065931010).

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

120312012030 is a wasteful number, since it uses less digits than its factorization.

120312012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19755713.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120312012030 its reverse (30210213021), we get a palindrome (150522225051).

The spelling of 120312012030 in words is "one hundred twenty billion, three hundred twelve million, twelve thousand, thirty".