1223312130232 has 64 divisors (see below), whose sum is σ = 2329756886880. Its totient is φ = 602131525632.

The previous prime is 1223312130179. The next prime is 1223312130247. The reversal of 1223312130232 is 2320312133221.

It is a junction number, because it is equal to n+sod(n) for n = 1223312130197 and 1223312130206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80067778 + ... + 80083054.

Almost surely, 2^{1223312130232} is an apocalyptic number.

It is an amenable number.

1223312130232 is a deficient number, since it is larger than the sum of its proper divisors (1106444756648).

1223312130232 is a wasteful number, since it uses less digits than its factorization.

1223312130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15992 (or 15988 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223312130232 its reverse (2320312133221), we get a palindrome (3543624263453).

The spelling of 1223312130232 in words is "one trillion, two hundred twenty-three billion, three hundred twelve million, one hundred thirty thousand, two hundred thirty-two".