12100401324 has 48 divisors (see below), whose sum is σ = 34223360640. Its totient is φ = 3666787920.

The previous prime is 12100401311. The next prime is 12100401343. The reversal of 12100401324 is 42310400121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12100401297 and 12100401306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091574 + ... + 5093949.

It is an arithmetic number, because the mean of its divisors is an integer number (712986680).

Almost surely, 2^12100401324 is an apocalyptic number.

It is an amenable number.

12100401324 is an abundant number, since it is smaller than the sum of its proper divisors (22122959316).

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

12100401324 is a wasteful number, since it uses less digits than its factorization.

12100401324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185547 (or 10185539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12100401324 its reverse (42310400121), we get a palindrome (54410801445).

The spelling of 12100401324 in words is "twelve billion, one hundred million, four hundred one thousand, three hundred twenty-four".