100257212195787 has 6 divisors (see below), whose sum is σ = 133676306051412. Its totient is φ = 66838129902012.

The previous prime is 100257212195713. The next prime is 100257212195843. The reversal of 100257212195787 is 787591212752001.

It is not a de Polignac number, because 100257212195787 - 2⁷ = 100257212195659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100257212395787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14452308 + ... + 20233230.

It is an arithmetic number, because the mean of its divisors is an integer number (22279384341902).

Almost surely, 2^{100257212195787} is an apocalyptic number.

100257212195787 is a deficient number, since it is larger than the sum of its proper divisors (33419093855625).

100257212195787 is an frugal number, since it uses more digits than its factorization.

100257212195787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561849 (or 5780926 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 57.

The spelling of 100257212195787 in words is "one hundred trillion, two hundred fifty-seven billion, two hundred twelve million, one hundred ninety-five thousand, seven hundred eighty-seven".