212636926131648 has 56 divisors (see below), whose sum is σ = 577807322942352. Its totient is φ = 68963327391744.

The previous prime is 212636926131557. The next prime is 212636926131653. The reversal of 212636926131648 is 846131629636212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212636926131591 and 212636926131600.

It is a congruent number.

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, 14965992765 + ... + 14966006972.

Almost surely, 2^{212636926131648} is an apocalyptic number.

It is an amenable number.

212636926131648 is an abundant number, since it is smaller than the sum of its proper divisors (365170396810704).

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

212636926131648 is a wasteful number, since it uses less digits than its factorization.

212636926131648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29931999789 (or 29931999779 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 60.

The spelling of 212636926131648 in words is "two hundred twelve trillion, six hundred thirty-six billion, nine hundred twenty-six million, one hundred thirty-one thousand, six hundred forty-eight".