32001222220112 has 20 divisors (see below), whose sum is σ = 62699023875060. Its totient is φ = 15820828962048.

The previous prime is 32001222220081. The next prime is 32001222220157. The reversal of 32001222220112 is 21102222210023.

It can be written as a sum of positive squares in 2 ways, for example, as 17077093413136 + 14924128806976 = 4132444^2 + 3863176^2 .

It is a super-3 number, since 3×32001222220112³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11236382783 + ... + 11236385630.

It is an arithmetic number, because the mean of its divisors is an integer number (3134951193753).

Almost surely, 2^{32001222220112} is an apocalyptic number.

It is an amenable number.

32001222220112 is a deficient number, since it is larger than the sum of its proper divisors (30697801654948).

32001222220112 is a wasteful number, since it uses less digits than its factorization.

32001222220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22472768510 (or 22472768504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32001222220112 its reverse (21102222210023), we get a palindrome (53103444430135).

The spelling of 32001222220112 in words is "thirty-two trillion, one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".