12212941680 has 120 divisors (see below), whose sum is σ = 42429516480. Its totient is φ = 3144476160.

The previous prime is 12212941669. The next prime is 12212941703. The reversal of 12212941680 is 8614921221.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271576 + ... + 313335.

It is an arithmetic number, because the mean of its divisors is an integer number (353579304).

Almost surely, 2^12212941680 is an apocalyptic number.

12212941680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212941680 is an abundant number, since it is smaller than the sum of its proper divisors (30216574800).

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

12212941680 is a wasteful number, since it uses less digits than its factorization.

12212941680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584959 (or 584950 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 12212941680 in words is "twelve billion, two hundred twelve million, nine hundred forty-one thousand, six hundred eighty".