220133211312 has 80 divisors (see below), whose sum is σ = 650083034880. Its totient is φ = 62879145216.

The previous prime is 220133211307. The next prime is 220133211313. The reversal of 220133211312 is 213112331022.

It is a super-2 number, since 2×220133211312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (220133211313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266739 + ... + 1429997.

It is an arithmetic number, because the mean of its divisors is an integer number (8126037936).

Almost surely, 2^220133211312 is an apocalyptic number.

It is an amenable number.

220133211312 is an abundant number, since it is smaller than the sum of its proper divisors (429949823568).

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

220133211312 is a wasteful number, since it uses less digits than its factorization.

220133211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167290 (or 167284 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 220133211312 its reverse (213112331022), we get a palindrome (433245542334).

The spelling of 220133211312 in words is "two hundred twenty billion, one hundred thirty-three million, two hundred eleven thousand, three hundred twelve".