1257233714850 has 24 divisors (see below), whose sum is σ = 3117939613200. Its totient is φ = 335262323920.

The previous prime is 1257233714833. The next prime is 1257233714873. The reversal of 1257233714850 is 584173327521.

It is a super-2 number, since 2×1257233714850² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1257233714850.

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, 4190778900 + ... + 4190779199.

It is an arithmetic number, because the mean of its divisors is an integer number (129914150550).

Almost surely, 2^{1257233714850} is an apocalyptic number.

1257233714850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1257233714850 is an abundant number, since it is smaller than the sum of its proper divisors (1860705898350).

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

1257233714850 is a wasteful number, since it uses less digits than its factorization.

1257233714850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381558114 (or 8381558109 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 1257233714850 in words is "one trillion, two hundred fifty-seven billion, two hundred thirty-three million, seven hundred fourteen thousand, eight hundred fifty".