32001222012 has 12 divisors (see below), whose sum is σ = 74669518056. Its totient is φ = 10667074000.

The previous prime is 32001221939. The next prime is 32001222013. The reversal of 32001222012 is 21022210023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32001222012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32001221982 and 32001222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333384239 + ... + 1333384262.

It is an arithmetic number, because the mean of its divisors is an integer number (6222459838).

Almost surely, 2^32001222012 is an apocalyptic number.

It is an amenable number.

32001222012 is an abundant number, since it is smaller than the sum of its proper divisors (42668296044).

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

32001222012 is a wasteful number, since it uses less digits than its factorization.

32001222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666768508 (or 2666768506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32001222012 its reverse (21022210023), we get a palindrome (53023432035).

The spelling of 32001222012 in words is "thirty-two billion, one million, two hundred twenty-two thousand, twelve".