1223121230022 has 16 divisors (see below), whose sum is σ = 2552600828160. Its totient is φ = 389980681992.

The previous prime is 1223121229919. The next prime is 1223121230053. The reversal of 1223121230022 is 2200321213221.

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, 4431598522 + ... + 4431598797.

It is an arithmetic number, because the mean of its divisors is an integer number (159537551760).

Almost surely, 2^{1223121230022} is an apocalyptic number.

1223121230022 is an abundant number, since it is smaller than the sum of its proper divisors (1329479598138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223121230022 is a wasteful number, since it uses less digits than its factorization.

1223121230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863197347.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1223121230022 its reverse (2200321213221), we get a palindrome (3423442443243).

The spelling of 1223121230022 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred thirty thousand, twenty-two".