212071492863 has 12 divisors (see below), whose sum is σ = 307370973000. Its totient is φ = 140898464496.

The previous prime is 212071492817. The next prime is 212071492889. The reversal of 212071492863 is 368294170212.

212071492863 is a `hidden beast` number, since 2 + 12 + 0 + 71 + 492 + 86 + 3 = 666.

It is not a de Polignac number, because 212071492863 - 2⁶ = 212071492799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212071492363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40208113 + ... + 40213386.

It is an arithmetic number, because the mean of its divisors is an integer number (25614247750).

Almost surely, 2^212071492863 is an apocalyptic number.

212071492863 is a deficient number, since it is larger than the sum of its proper divisors (95299480137).

212071492863 is a wasteful number, since it uses less digits than its factorization.

212071492863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80421798 (or 80421795 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 212071492863 in words is "two hundred twelve billion, seventy-one million, four hundred ninety-two thousand, eight hundred sixty-three".