12207615740 has 24 divisors (see below), whose sum is σ = 26018622672. Its totient is φ = 4810164480.

The previous prime is 12207615737. The next prime is 12207615751. The reversal of 12207615740 is 4751670221.

It is a self number, because there is not a number n which added to its sum of digits gives 12207615740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553741 + ... + 4556420.

It is an arithmetic number, because the mean of its divisors is an integer number (1084109278).

Almost surely, 2^12207615740 is an apocalyptic number.

12207615740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12207615740 is an abundant number, since it is smaller than the sum of its proper divisors (13811006932).

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

12207615740 is a wasteful number, since it uses less digits than its factorization.

12207615740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110237 (or 9110235 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 12207615740 in words is "twelve billion, two hundred seven million, six hundred fifteen thousand, seven hundred forty".