12220021219984 has 20 divisors (see below), whose sum is σ = 23707403215020. Its totient is φ = 6101981680640.

The previous prime is 12220021219961. The next prime is 12220021220027. The reversal of 12220021219984 is 48991212002221.

It can be written as a sum of positive squares in 2 ways, for example, as 2412927289600 + 9807093930384 = 1553360^2 + 3131628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12220021219984.

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, 501795529 + ... + 501819880.

It is an arithmetic number, because the mean of its divisors is an integer number (1185370160751).

Almost surely, 2^{12220021219984} is an apocalyptic number.

It is an amenable number.

12220021219984 is a deficient number, since it is larger than the sum of its proper divisors (11487381995036).

12220021219984 is a wasteful number, since it uses less digits than its factorization.

12220021219984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003616178 (or 1003616172 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 12220021219984 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred nineteen thousand, nine hundred eighty-four".