32012221012 has 12 divisors (see below), whose sum is σ = 56037616180. Its totient is φ = 16001473536.

The previous prime is 32012220971. The next prime is 32012221037. The reversal of 32012221012 is 21012221023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 510940816 + 31501280196 = 22604^2 + 177486^2 .

It is a super-2 number, since 2×32012221012² (a number of 22 digits) contains 22 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, 1143687 + ... + 1171342.

Almost surely, 2^32012221012 is an apocalyptic number.

It is an amenable number.

32012221012 is a deficient number, since it is larger than the sum of its proper divisors (24025395168).

32012221012 is a wasteful number, since it uses less digits than its factorization.

32012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318490 (or 2318488 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32012221012 its reverse (21012221023), we get a palindrome (53024442035).

The spelling of 32012221012 in words is "thirty-two billion, twelve million, two hundred twenty-one thousand, twelve".