1252460723216 has 10 divisors (see below), whose sum is σ = 2426642651262. Its totient is φ = 626230361600.

The previous prime is 1252460723099. The next prime is 1252460723273. The reversal of 1252460723216 is 6123270642521.

It can be written as a sum of positive squares in only one way, i.e., 1190926959616 + 61533763600 = 1091296^2 + 248060^2 .

It is a super-2 number, since 2×1252460723216² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39139397585 + ... + 39139397616.

Almost surely, 2^{1252460723216} is an apocalyptic number.

1252460723216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252460723216 is a deficient number, since it is larger than the sum of its proper divisors (1174181928046).

1252460723216 is an equidigital number, since it uses as much as digits as its factorization.

1252460723216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78278795209 (or 78278795203 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1252460723216 in words is "one trillion, two hundred fifty-two billion, four hundred sixty million, seven hundred twenty-three thousand, two hundred sixteen".