12271495144 has 16 divisors (see below), whose sum is σ = 23544148320. Its totient is φ = 5993055600.

The previous prime is 12271495133. The next prime is 12271495151. The reversal of 12271495144 is 44159417221.

It is a junction number, because it is equal to n+sod(n) for n = 12271495097 and 12271495106.

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, 17836132 + ... + 17836819.

It is an arithmetic number, because the mean of its divisors is an integer number (1471509270).

Almost surely, 2^12271495144 is an apocalyptic number.

It is an amenable number.

12271495144 is a deficient number, since it is larger than the sum of its proper divisors (11272653176).

12271495144 is a wasteful number, since it uses less digits than its factorization.

12271495144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35673000 (or 35672996 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 12271495144 in words is "twelve billion, two hundred seventy-one million, four hundred ninety-five thousand, one hundred forty-four".