12426252100 has 36 divisors (see below), whose sum is σ = 26971995904. Its totient is φ = 4969205280.

The previous prime is 12426252089. The next prime is 12426252107. The reversal of 12426252100 is 125262421.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12426252107) 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, 430729 + ... + 458671.

Almost surely, 2^12426252100 is an apocalyptic number.

12426252100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12426252100 is an abundant number, since it is smaller than the sum of its proper divisors (14545743804).

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

12426252100 is a wasteful number, since it uses less digits than its factorization.

12426252100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32404 (or 32397 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 12426252100 in words is "twelve billion, four hundred twenty-six million, two hundred fifty-two thousand, one hundred".