12245611312 has 20 divisors (see below), whose sum is σ = 25882769736. Its totient is φ = 5566186880.

The previous prime is 12245611267. The next prime is 12245611331. The reversal of 12245611312 is 21311654221.

12245611312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12245611312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34788493 + ... + 34788844.

Almost surely, 2^12245611312 is an apocalyptic number.

It is an amenable number.

12245611312 is an abundant number, since it is smaller than the sum of its proper divisors (13637158424).

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

12245611312 is a wasteful number, since it uses less digits than its factorization.

12245611312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69577356 (or 69577350 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The spelling of 12245611312 in words is "twelve billion, two hundred forty-five million, six hundred eleven thousand, three hundred twelve".