12220002021122 has 8 divisors (see below), whose sum is σ = 20948574893376. Its totient is φ = 5237143723332.

The previous prime is 12220002021113. The next prime is 12220002021137. The reversal of 12220002021122 is 22112020002221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12220002021122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436428643598 + ... + 436428643625.

It is an arithmetic number, because the mean of its divisors is an integer number (2618571861672).

Almost surely, 2^{12220002021122} is an apocalyptic number.

12220002021122 is a deficient number, since it is larger than the sum of its proper divisors (8728572872254).

12220002021122 is an equidigital number, since it uses as much as digits as its factorization.

12220002021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872857287232.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220002021122 its reverse (22112020002221), we get a palindrome (34332022023343).

The spelling of 12220002021122 in words is "twelve trillion, two hundred twenty billion, two million, twenty-one thousand, one hundred twenty-two".