12472422774 has 16 divisors (see below), whose sum is σ = 28508395008. Its totient is φ = 3563549352.

The previous prime is 12472422763. The next prime is 12472422791. The reversal of 12472422774 is 47722427421.

It is a super-2 number, since 2×12472422774² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 296962447 = 12472422774 / (1 + 2 + 4 + 7 + 2 + 4 + 2 + 2 + 7 + 7 + 4).

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, 148481182 + ... + 148481265.

It is an arithmetic number, because the mean of its divisors is an integer number (1781774688).

Almost surely, 2^12472422774 is an apocalyptic number.

12472422774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12472422774 is an abundant number, since it is smaller than the sum of its proper divisors (16035972234).

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

12472422774 is a wasteful number, since it uses less digits than its factorization.

12472422774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296962459.

The product of its digits is 351232, while the sum is 42.

The spelling of 12472422774 in words is "twelve billion, four hundred seventy-two million, four hundred twenty-two thousand, seven hundred seventy-four".