20131233122232 has 96 divisors (see below), whose sum is σ = 54666918306000. Its totient is φ = 6692609172480.

The previous prime is 20131233122179. The next prime is 20131233122249. The reversal of 20131233122232 is 23222133213102.

20131233122232 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 123 + 312 + 223 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20131233122196 and 20131233122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41560894 + ... + 42042482.

Almost surely, 2^{20131233122232} is an apocalyptic number.

It is an amenable number.

20131233122232 is an abundant number, since it is smaller than the sum of its proper divisors (34535685183768).

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

20131233122232 is a wasteful number, since it uses less digits than its factorization.

20131233122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483141 (or 483134 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20131233122232 its reverse (23222133213102), we get a palindrome (43353366335334).

The spelling of 20131233122232 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, two hundred thirty-two".