32220120312 has 96 divisors (see below), whose sum is σ = 88072058880. Its totient is φ = 10640911680.

The previous prime is 32220120271. The next prime is 32220120319. The reversal of 32220120312 is 21302102223.

32220120312 is a `hidden beast` number, since 322 + 20 + 12 + 0 + 312 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220120319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3443913 + ... + 3453255.

It is an arithmetic number, because the mean of its divisors is an integer number (917417280).

Almost surely, 2^32220120312 is an apocalyptic number.

It is an amenable number.

32220120312 is an abundant number, since it is smaller than the sum of its proper divisors (55851938568).

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

32220120312 is a wasteful number, since it uses less digits than its factorization.

32220120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793 (or 9786 counting only the distinct ones).

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

Adding to 32220120312 its reverse (21302102223), we get a palindrome (53522222535).

The spelling of 32220120312 in words is "thirty-two billion, two hundred twenty million, one hundred twenty thousand, three hundred twelve".