12220000022012 has 12 divisors (see below), whose sum is σ = 21387082186176. Its totient is φ = 6109405111680.

The previous prime is 12220000021981. The next prime is 12220000022017. The reversal of 12220000022012 is 21022000002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220000022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148678613 + ... + 148760780.

It is an arithmetic number, because the mean of its divisors is an integer number (1782256848848).

Almost surely, 2^{12220000022012} is an apocalyptic number.

It is an amenable number.

12220000022012 is a deficient number, since it is larger than the sum of its proper divisors (9167082164164).

12220000022012 is a wasteful number, since it uses less digits than its factorization.

12220000022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297449668 (or 297449666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220000022012 its reverse (21022000002221), we get a palindrome (33242000024233).

The spelling of 12220000022012 in words is "twelve trillion, two hundred twenty billion, twenty-two thousand, twelve".