220212303231231 has 24 divisors (see below), whose sum is σ = 321026406771200. Its totient is φ = 145453524503616.

The previous prime is 220212303231211. The next prime is 220212303231233. The reversal of 220212303231231 is 132132303212022.

220212303231231 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 12 + 303 + 2 + 312 + 31 = 666.

It is not a de Polignac number, because 220212303231231 - 2⁷ = 220212303231103 is a prime.

It is a super-2 number, since 2×220212303231231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220212303231195 and 220212303231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212303231233) 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, 130582156 + ... + 132257793.

Almost surely, 2^{220212303231231} is an apocalyptic number.

220212303231231 is a deficient number, since it is larger than the sum of its proper divisors (100814103539969).

220212303231231 is a wasteful number, since it uses less digits than its factorization.

220212303231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262840815 (or 262840812 counting only the distinct ones).

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

Adding to 220212303231231 its reverse (132132303212022), we get a palindrome (352344606443253).

The spelling of 220212303231231 in words is "two hundred twenty trillion, two hundred twelve billion, three hundred three million, two hundred thirty-one thousand, two hundred thirty-one".