1247260063344 has 20 divisors (see below), whose sum is σ = 3222088497096. Its totient is φ = 415753354432.

The previous prime is 1247260063303. The next prime is 1247260063351. The reversal of 1247260063344 is 4433600627421.

It is a super-2 number, since 2×1247260063344² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1247260063296 and 1247260063305.

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, 12992292279 + ... + 12992292374.

Almost surely, 2^{1247260063344} is an apocalyptic number.

It is an amenable number.

1247260063344 is an abundant number, since it is smaller than the sum of its proper divisors (1974828433752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1247260063344 is a wasteful number, since it uses less digits than its factorization.

1247260063344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984584664 (or 25984584658 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 1247260063344 in words is "one trillion, two hundred forty-seven billion, two hundred sixty million, sixty-three thousand, three hundred forty-four".