1247572216025 has 12 divisors (see below), whose sum is σ = 1547079861504. Its totient is φ = 997999506000.

The previous prime is 1247572216013. The next prime is 1247572216097. The reversal of 1247572216025 is 5206122757421.

It is not a de Polignac number, because 1247572216025 - 2¹⁴ = 1247572199641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017281 + ... + 1878830.

It is an arithmetic number, because the mean of its divisors is an integer number (128923321792).

Almost surely, 2^{1247572216025} is an apocalyptic number.

It is an amenable number.

1247572216025 is a deficient number, since it is larger than the sum of its proper divisors (299507645479).

1247572216025 is a wasteful number, since it uses less digits than its factorization.

1247572216025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913352 (or 2913347 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 1247572216025 in words is "one trillion, two hundred forty-seven billion, five hundred seventy-two million, two hundred sixteen thousand, twenty-five".