12220002121022 has 4 divisors (see below), whose sum is σ = 18330003181536. Its totient is φ = 6110001060510.

The previous prime is 12220002120967. The next prime is 12220002121037. The reversal of 12220002121022 is 22012120002221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3055000530254 + ... + 3055000530257.

It is an arithmetic number, because the mean of its divisors is an integer number (4582500795384).

Almost surely, 2^{12220002121022} is an apocalyptic number.

12220002121022 is a deficient number, since it is larger than the sum of its proper divisors (6110001060514).

12220002121022 is an equidigital number, since it uses as much as digits as its factorization.

12220002121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110001060513.

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

Adding to 12220002121022 its reverse (22012120002221), we get a palindrome (34232122123243).

The spelling of 12220002121022 in words is "twelve trillion, two hundred twenty billion, two million, one hundred twenty-one thousand, twenty-two".