12023032100 has 36 divisors (see below), whose sum is σ = 26198289348. Its totient is φ = 4789248000.

The previous prime is 12023032069. The next prime is 12023032117. The reversal of 12023032100 is 123032021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 142468096 + 11880564004 = 11936^2 + 108998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225341 + ... + 273540.

Almost surely, 2^12023032100 is an apocalyptic number.

12023032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023032100 is an abundant number, since it is smaller than the sum of its proper divisors (14175257248).

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

12023032100 is a wasteful number, since it uses less digits than its factorization.

12023032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499136 (or 499129 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12023032100 its reverse (123032021), we get a palindrome (12146064121).

The spelling of 12023032100 in words is "twelve billion, twenty-three million, thirty-two thousand, one hundred".