12210311180 has 24 divisors (see below), whose sum is σ = 25648524720. Its totient is φ = 4882815680.

The previous prime is 12210311131. The next prime is 12210311213. The reversal of 12210311180 is 8111301221.

It is a happy number.

It is a super-2 number, since 2×12210311180² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470 + ... + 156309.

It is an arithmetic number, because the mean of its divisors is an integer number (1068688530).

Almost surely, 2^12210311180 is an apocalyptic number.

12210311180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210311180 is an abundant number, since it is smaller than the sum of its proper divisors (13438213540).

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

12210311180 is a wasteful number, since it uses less digits than its factorization.

12210311180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163609 (or 163607 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The spelling of 12210311180 in words is "twelve billion, two hundred ten million, three hundred eleven thousand, one hundred eighty".