12472078172 has 12 divisors (see below), whose sum is σ = 21827272656. Its totient is φ = 6235714560.

The previous prime is 12472078133. The next prime is 12472078247. The reversal of 12472078172 is 27187027421.

It is a super-3 number, since 3×12472078172³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19097 + ... + 159087.

It is an arithmetic number, because the mean of its divisors is an integer number (1818939388).

Almost surely, 2^12472078172 is an apocalyptic number.

It is an amenable number.

12472078172 is a deficient number, since it is larger than the sum of its proper divisors (9355194484).

12472078172 is a wasteful number, since it uses less digits than its factorization.

12472078172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162268 (or 162266 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 12472078172 in words is "twelve billion, four hundred seventy-two million, seventy-eight thousand, one hundred seventy-two".