12020032300 has 36 divisors (see below), whose sum is σ = 27217539216. Its totient is φ = 4598968000.

The previous prime is 12020032273. The next prime is 12020032319. The reversal of 12020032300 is 323002021.

It is a happy number.

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, 2610751 + ... + 2615350.

It is an arithmetic number, because the mean of its divisors is an integer number (756042756).

Almost surely, 2^12020032300 is an apocalyptic number.

12020032300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020032300 is an abundant number, since it is smaller than the sum of its proper divisors (15197506916).

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

12020032300 is a wasteful number, since it uses less digits than its factorization.

12020032300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226138 (or 5226131 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12020032300 its reverse (323002021), we get a palindrome (12343034321).

The spelling of 12020032300 in words is "twelve billion, twenty million, thirty-two thousand, three hundred".