1252442355500 has 48 divisors (see below), whose sum is σ = 3126096128064. Its totient is φ = 429408806400.

The previous prime is 1252442355497. The next prime is 1252442355523. The reversal of 1252442355500 is 55532442521.

It is a super-2 number, since 2×1252442355500² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178916837 + ... + 178923836.

It is an arithmetic number, because the mean of its divisors is an integer number (65127002668).

Almost surely, 2^{1252442355500} is an apocalyptic number.

1252442355500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252442355500 is an abundant number, since it is smaller than the sum of its proper divisors (1873653772564).

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

1252442355500 is a wasteful number, since it uses less digits than its factorization.

1252442355500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357840699 (or 357840687 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 1252442355500 in words is "one trillion, two hundred fifty-two billion, four hundred forty-two million, three hundred fifty-five thousand, five hundred".