12271602472 has 32 divisors (see below), whose sum is σ = 23591494080. Its totient is φ = 5981109120.

The previous prime is 12271602451. The next prime is 12271602479. The reversal of 12271602472 is 27420617221.

It is not an unprimeable number, because it can be changed into a prime (12271602479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137572 + ... + 208492.

It is an arithmetic number, because the mean of its divisors is an integer number (737234190).

Almost surely, 2^12271602472 is an apocalyptic number.

It is an amenable number.

12271602472 is a deficient number, since it is larger than the sum of its proper divisors (11319891608).

12271602472 is a wasteful number, since it uses less digits than its factorization.

12271602472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71473 (or 71469 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 12271602472 in words is "twelve billion, two hundred seventy-one million, six hundred two thousand, four hundred seventy-two".