212116020056 has 8 divisors (see below), whose sum is σ = 397717537620. Its totient is φ = 106058010024.

The previous prime is 212116020047. The next prime is 212116020119. The reversal of 212116020056 is 650020611212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13257251246 + ... + 13257251261.

Almost surely, 2^212116020056 is an apocalyptic number.

It is an amenable number.

212116020056 is a deficient number, since it is larger than the sum of its proper divisors (185601517564).

212116020056 is a wasteful number, since it uses less digits than its factorization.

212116020056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26514502513 (or 26514502509 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 212116020056 its reverse (650020611212), we get a palindrome (862136631268).

The spelling of 212116020056 in words is "two hundred twelve billion, one hundred sixteen million, twenty thousand, fifty-six".