12201331100 has 36 divisors (see below), whose sum is σ = 30259302864. Its totient is φ = 4183313280.

The previous prime is 12201331063. The next prime is 12201331117. The reversal of 12201331100 is 113310221.

It is a super-2 number, since 2×12201331100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent 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, 8714537 + ... + 8715936.

Almost surely, 2^12201331100 is an apocalyptic number.

12201331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201331100 is an abundant number, since it is smaller than the sum of its proper divisors (18057971764).

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

12201331100 is a wasteful number, since it uses less digits than its factorization.

12201331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17430494 (or 17430487 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12201331100 its reverse (113310221), we get a palindrome (12314641321).

The spelling of 12201331100 in words is "twelve billion, two hundred one million, three hundred thirty-one thousand, one hundred".