1223042232120 has 64 divisors (see below), whose sum is σ = 3670029004320. Its totient is φ = 326064390144.

The previous prime is 1223042232119. The next prime is 1223042232127. The reversal of 1223042232120 is 212322403221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223042232127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762409 + ... + 1739928.

Almost surely, 2^{1223042232120} is an apocalyptic number.

1223042232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223042232120 is an abundant number, since it is smaller than the sum of its proper divisors (2446986772200).

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

1223042232120 is a wasteful number, since it uses less digits than its factorization.

1223042232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506424 (or 2506420 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1223042232120 its reverse (212322403221), we get a palindrome (1435364635341).

The spelling of 1223042232120 in words is "one trillion, two hundred twenty-three billion, forty-two million, two hundred thirty-two thousand, one hundred twenty".