123020013211222 has 24 divisors (see below), whose sum is σ = 196024274672760. Its totient is φ = 57891465070080.

The previous prime is 123020013211217. The next prime is 123020013211283. The reversal of 123020013211222 is 222112310020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020013211193 and 123020013211202.

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 in 11 ways as a sum of consecutive naturals, for example, 138787429 + ... + 139671007.

It is an arithmetic number, because the mean of its divisors is an integer number (8167678111365).

Almost surely, 2^{123020013211222} is an apocalyptic number.

123020013211222 is a deficient number, since it is larger than the sum of its proper divisors (73004261461538).

123020013211222 is a wasteful number, since it uses less digits than its factorization.

123020013211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124496 (or 1124479 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123020013211222 its reverse (222112310020321), we get a palindrome (345132323231543).

The spelling of 123020013211222 in words is "one hundred twenty-three trillion, twenty billion, thirteen million, two hundred eleven thousand, two hundred twenty-two".