12220012001012 has 24 divisors (see below), whose sum is σ = 21625514606472. Its totient is φ = 6041550412800.

The previous prime is 12220012000991. The next prime is 12220012001039. The reversal of 12220012001012 is 21010021002221.

It can be written as a sum of positive squares in 4 ways, for example, as 600817215376 + 11619194785636 = 775124^2 + 3408694^2 .

It is a congruent number.

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, 31918289 + ... + 32298872.

It is an arithmetic number, because the mean of its divisors is an integer number (901063108603).

Almost surely, 2^{12220012001012} is an apocalyptic number.

It is an amenable number.

12220012001012 is a deficient number, since it is larger than the sum of its proper divisors (9405502605460).

12220012001012 is a wasteful number, since it uses less digits than its factorization.

12220012001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64217699 (or 64217697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220012001012 its reverse (21010021002221), we get a palindrome (33230033003233).

The spelling of 12220012001012 in words is "twelve trillion, two hundred twenty billion, twelve million, one thousand, twelve".