12472078132 has 12 divisors (see below), whose sum is σ = 21842922276. Its totient is φ = 6231243200.

The previous prime is 12472078127. The next prime is 12472078133. The reversal of 12472078132 is 23187027421.

It can be written as a sum of positive squares in 2 ways, for example, as 3241480356 + 9230597776 = 56934^2 + 96076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12472078091 and 12472078100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472078133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193113 + ... + 1203520.

It is an arithmetic number, because the mean of its divisors is an integer number (1820243523).

Almost surely, 2^12472078132 is an apocalyptic number.

It is an amenable number.

12472078132 is a deficient number, since it is larger than the sum of its proper divisors (9370844144).

12472078132 is a wasteful number, since it uses less digits than its factorization.

12472078132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397938 (or 2397936 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 12472078132 in words is "twelve billion, four hundred seventy-two million, seventy-eight thousand, one hundred thirty-two".