212087473163664 has 80 divisors (see below), whose sum is σ = 633707148813312. Its totient is φ = 59866343535744.

The previous prime is 212087473163651. The next prime is 212087473163669. The reversal of 212087473163664 is 466361374780212.

It is a junction number, because it is equal to n+sod(n) for n = 212087473163598 and 212087473163607.

It is not an unprimeable number, because it can be changed into a prime (212087473163669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802458364 + ... + 3802514139.

Almost surely, 2^{212087473163664} is an apocalyptic number.

212087473163664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212087473163664 is an abundant number, since it is smaller than the sum of its proper divisors (421619675649648).

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

212087473163664 is a wasteful number, since it uses less digits than its factorization.

212087473163664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604972604 (or 7604972598 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 212087473163664 in words is "two hundred twelve trillion, eighty-seven billion, four hundred seventy-three million, one hundred sixty-three thousand, six hundred sixty-four".