12132120300 has 36 divisors (see below), whose sum is σ = 35102268936. Its totient is φ = 3235232000.

The previous prime is 12132120277. The next prime is 12132120307. The reversal of 12132120300 is 302123121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12132120300.

It is not an unprimeable number, because it can be changed into a prime (12132120307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20219901 + ... + 20220500.

It is an arithmetic number, because the mean of its divisors is an integer number (975063026).

Almost surely, 2^12132120300 is an apocalyptic number.

12132120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132120300 is an abundant number, since it is smaller than the sum of its proper divisors (22970148636).

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

12132120300 is a wasteful number, since it uses less digits than its factorization.

12132120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40440418 (or 40440411 counting only the distinct ones).

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

Adding to 12132120300 its reverse (302123121), we get a palindrome (12434243421).

The spelling of 12132120300 in words is "twelve billion, one hundred thirty-two million, one hundred twenty thousand, three hundred".