232001022312 has 80 divisors (see below), whose sum is σ = 651006639360. Its totient is φ = 77192178336.

The previous prime is 232001022311. The next prime is 232001022373. The reversal of 232001022312 is 213220100232.

232001022312 is a `hidden beast` number, since 2 + 320 + 0 + 10 + 22 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (232001022311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27193 + ... + 681719.

It is an arithmetic number, because the mean of its divisors is an integer number (8137582992).

Almost surely, 2^232001022312 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 232001022312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325503319680).

232001022312 is an abundant number, since it is smaller than the sum of its proper divisors (419005617048).

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

232001022312 is a wasteful number, since it uses less digits than its factorization.

232001022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655092 (or 655079 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232001022312 its reverse (213220100232), we get a palindrome (445221122544).

The spelling of 232001022312 in words is "two hundred thirty-two billion, one million, twenty-two thousand, three hundred twelve".