1223311120122 has 96 divisors (see below), whose sum is σ = 3109604936832. Its totient is φ = 313911666432.

The previous prime is 1223311120099. The next prime is 1223311120123. The reversal of 1223311120122 is 2210211133221.

It is a super-2 number, since 2×1223311120122² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1223311120123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2066373 + ... + 2591624.

It is an arithmetic number, because the mean of its divisors is an integer number (32391718092).

Almost surely, 2^{1223311120122} is an apocalyptic number.

1223311120122 is an abundant number, since it is smaller than the sum of its proper divisors (1886293816710).

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

1223311120122 is a wasteful number, since it uses less digits than its factorization.

1223311120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658072 (or 4658059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1223311120122 its reverse (2210211133221), we get a palindrome (3433522253343).

The spelling of 1223311120122 in words is "one trillion, two hundred twenty-three billion, three hundred eleven million, one hundred twenty thousand, one hundred twenty-two".