1252412550544 has 40 divisors (see below), whose sum is σ = 2455046402688. Its totient is φ = 618879999360.

The previous prime is 1252412550539. The next prime is 1252412550577. The reversal of 1252412550544 is 4450552142521.

It is a junction number, because it is equal to n+sod(n) for n = 1252412550497 and 1252412550506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148072 + ... + 1589575.

Almost surely, 2^{1252412550544} is an apocalyptic number.

It is an amenable number.

1252412550544 is a deficient number, since it is larger than the sum of its proper divisors (1202633852144).

1252412550544 is a wasteful number, since it uses less digits than its factorization.

1252412550544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738183 (or 1738177 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 1252412550544 in words is "one trillion, two hundred fifty-two billion, four hundred twelve million, five hundred fifty thousand, five hundred forty-four".