212081680712 has 16 divisors (see below), whose sum is σ = 433803438000. Its totient is φ = 96400763920.

The previous prime is 212081680703. The next prime is 212081680747. The reversal of 212081680712 is 217086180212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205009462 + ... + 1205009637.

It is an arithmetic number, because the mean of its divisors is an integer number (27112714875).

Almost surely, 2^212081680712 is an apocalyptic number.

212081680712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212081680712 is an abundant number, since it is smaller than the sum of its proper divisors (221721757288).

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

212081680712 is a wasteful number, since it uses less digits than its factorization.

212081680712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410019116 (or 2410019112 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 212081680712 in words is "two hundred twelve billion, eighty-one million, six hundred eighty thousand, seven hundred twelve".