12220320033412 has 12 divisors (see below), whose sum is σ = 21385858075036. Its totient is φ = 6110074869120.

The previous prime is 12220320033349. The next prime is 12220320033443. The reversal of 12220320033412 is 21433002302221.

It can be written as a sum of positive squares in 2 ways, for example, as 434460266496 + 11785859766916 = 659136^2 + 3433054^2 .

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, 20963433 + ... + 21538480.

Almost surely, 2^{12220320033412} is an apocalyptic number.

It is an amenable number.

12220320033412 is a deficient number, since it is larger than the sum of its proper divisors (9165538041624).

12220320033412 is a wasteful number, since it uses less digits than its factorization.

12220320033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573798 (or 42573796 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12220320033412 its reverse (21433002302221), we get a palindrome (33653322335633).

The spelling of 12220320033412 in words is "twelve trillion, two hundred twenty billion, three hundred twenty million, thirty-three thousand, four hundred twelve".