120012321030 has 64 divisors (see below), whose sum is σ = 336831948288. Its totient is φ = 26793446400.

The previous prime is 120012321029. The next prime is 120012321043. The reversal of 120012321030 is 30123210021.

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

It is a Curzon number.

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, 6636171 + ... + 6654230.

It is an arithmetic number, because the mean of its divisors is an integer number (5262999192).

Almost surely, 2^120012321030 is an apocalyptic number.

120012321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120012321030 is an abundant number, since it is smaller than the sum of its proper divisors (216819627258).

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

120012321030 is a wasteful number, since it uses less digits than its factorization.

120012321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13290461.

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

Adding to 120012321030 its reverse (30123210021), we get a palindrome (150135531051).

The spelling of 120012321030 in words is "one hundred twenty billion, twelve million, three hundred twenty-one thousand, thirty".