12102132100 has 36 divisors (see below), whose sum is σ = 27167206500. Its totient is φ = 4673925760.

The previous prime is 12102132089. The next prime is 12102132121. The reversal of 12102132100 is 123120121.

It can be written as a sum of positive squares in 6 ways, for example, as 2114528256 + 9987603844 = 45984^2 + 99938^2 .

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, 2083675 + ... + 2089474.

It is an arithmetic number, because the mean of its divisors is an integer number (754644625).

Almost surely, 2^12102132100 is an apocalyptic number.

12102132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102132100 is an abundant number, since it is smaller than the sum of its proper divisors (15065074400).

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

12102132100 is a wasteful number, since it uses less digits than its factorization.

12102132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173192 (or 4173185 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12102132100 its reverse (123120121), we get a palindrome (12225252221).

The spelling of 12102132100 in words is "twelve billion, one hundred two million, one hundred thirty-two thousand, one hundred".