12120230032 has 20 divisors (see below), whose sum is σ = 23531180416. Its totient is φ = 6047667360.

The previous prime is 12120230021. The next prime is 12120230041. The reversal of 12120230032 is 23003202121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12120229988 and 12120230015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769944 + ... + 785527.

Almost surely, 2^12120230032 is an apocalyptic number.

It is an amenable number.

12120230032 is a deficient number, since it is larger than the sum of its proper divisors (11410950384).

12120230032 is a wasteful number, since it uses less digits than its factorization.

12120230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555966 (or 1555960 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120230032 its reverse (23003202121), we get a palindrome (35123432153).

The spelling of 12120230032 in words is "twelve billion, one hundred twenty million, two hundred thirty thousand, thirty-two".