12461224444 has 24 divisors (see below), whose sum is σ = 21884007600. Its totient is φ = 6208682880.

The previous prime is 12461224439. The next prime is 12461224463. The reversal of 12461224444 is 44442216421.

It is a happy number.

It is a super-2 number, since 2×12461224444² (a number of 21 digits) contains 22 as substring.

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, 1955824 + ... + 1962184.

It is an arithmetic number, because the mean of its divisors is an integer number (911833650).

Almost surely, 2^12461224444 is an apocalyptic number.

It is an amenable number.

12461224444 is a deficient number, since it is larger than the sum of its proper divisors (9422783156).

12461224444 is a wasteful number, since it uses less digits than its factorization.

12461224444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 8011 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The spelling of 12461224444 in words is "twelve billion, four hundred sixty-one million, two hundred twenty-four thousand, four hundred forty-four".