12120444030 has 16 divisors (see below), whose sum is σ = 29089065744. Its totient is φ = 3232118400.

The previous prime is 12120444001. The next prime is 12120444043. The reversal of 12120444030 is 3044402121.

It is a junction number, because it is equal to n+sod(n) for n = 12120443988 and 12120444006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202007371 + ... + 202007430.

It is an arithmetic number, because the mean of its divisors is an integer number (1818066609).

Almost surely, 2^12120444030 is an apocalyptic number.

12120444030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120444030 is an abundant number, since it is smaller than the sum of its proper divisors (16968621714).

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

12120444030 is a wasteful number, since it uses less digits than its factorization.

12120444030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404014811.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12120444030 its reverse (3044402121), we get a palindrome (15164846151).

The spelling of 12120444030 in words is "twelve billion, one hundred twenty million, four hundred forty-four thousand, thirty".