1272422207612 has 12 divisors (see below), whose sum is σ = 2226915020400. Its totient is φ = 636160773216.

The previous prime is 1272422207603. The next prime is 1272422207659. The reversal of 1272422207612 is 2167022242721.

It is a happy number.

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, 12525737 + ... + 12626912.

It is an arithmetic number, because the mean of its divisors is an integer number (185576251700).

Almost surely, 2^{1272422207612} is an apocalyptic number.

It is an amenable number.

1272422207612 is a deficient number, since it is larger than the sum of its proper divisors (954492812788).

1272422207612 is a wasteful number, since it uses less digits than its factorization.

1272422207612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165300 (or 25165298 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 1272422207612 in words is "one trillion, two hundred seventy-two billion, four hundred twenty-two million, two hundred seven thousand, six hundred twelve".