12202545612 has 24 divisors (see below), whose sum is σ = 28680439536. Its totient is φ = 4037824768.

The previous prime is 12202545611. The next prime is 12202545623. The reversal of 12202545612 is 21654520221.

It is a self number, because there is not a number n which added to its sum of digits gives 12202545612.

It is not an unprimeable number, because it can be changed into a prime (12202545611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709593 + ... + 3712880.

It is an arithmetic number, because the mean of its divisors is an integer number (1195018314).

Almost surely, 2^12202545612 is an apocalyptic number.

12202545612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12202545612 is an abundant number, since it is smaller than the sum of its proper divisors (16477893924).

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

12202545612 is a wasteful number, since it uses less digits than its factorization.

12202545612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422617 (or 7422615 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12202545612 in words is "twelve billion, two hundred two million, five hundred forty-five thousand, six hundred twelve".