12405870700 has 36 divisors (see below), whose sum is σ = 28504316232. Its totient is φ = 4670444800.

The previous prime is 12405870691. The next prime is 12405870707. The reversal of 12405870700 is 707850421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (12405870707) 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, 3647086 + ... + 3650485.

It is an arithmetic number, because the mean of its divisors is an integer number (791786562).

Almost surely, 2^12405870700 is an apocalyptic number.

12405870700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12405870700 is an abundant number, since it is smaller than the sum of its proper divisors (16098445532).

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

12405870700 is a wasteful number, since it uses less digits than its factorization.

12405870700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297602 (or 7297595 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 12405870700 in words is "twelve billion, four hundred five million, eight hundred seventy thousand, seven hundred".