232220535454012 has 96 divisors (see below), whose sum is σ = 505774966233600. Its totient is φ = 91028149132032.

The previous prime is 232220535454007. The next prime is 232220535454027. The reversal of 232220535454012 is 210454535022232.

It is a super-2 number, since 2×232220535454012² (a number of 30 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 251524743 + ... + 252446305.

It is an arithmetic number, because the mean of its divisors is an integer number (5268489231600).

Almost surely, 2^{232220535454012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232220535454012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252887483116800).

232220535454012 is an abundant number, since it is smaller than the sum of its proper divisors (273554430779588).

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

232220535454012 is a wasteful number, since it uses less digits than its factorization.

232220535454012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937955 (or 937953 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 232220535454012 in words is "two hundred thirty-two trillion, two hundred twenty billion, five hundred thirty-five million, four hundred fifty-four thousand, twelve".