212131895547625 has 96 divisors (see below), whose sum is σ = 278212395202560. Its totient is φ = 161470995840000.

The previous prime is 212131895547581. The next prime is 212131895547653. The reversal of 212131895547625 is 526745598131212.

It is not a de Polignac number, because 212131895547625 - 2³⁷ = 211994456594153 is a prime.

It is a super-2 number, since 2×212131895547625² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40168884985 + ... + 40168890265.

It is an arithmetic number, because the mean of its divisors is an integer number (2898045783360).

Almost surely, 2^{212131895547625} is an apocalyptic number.

212131895547625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212131895547625 is a deficient number, since it is larger than the sum of its proper divisors (66080499654935).

212131895547625 is a wasteful number, since it uses less digits than its factorization.

212131895547625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432 (or 8399 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 61.

The spelling of 212131895547625 in words is "two hundred twelve trillion, one hundred thirty-one billion, eight hundred ninety-five million, five hundred forty-seven thousand, six hundred twenty-five".