32125221512 has 8 divisors (see below), whose sum is σ = 60234790350. Its totient is φ = 16062610752.

The previous prime is 32125221481. The next prime is 32125221517. The reversal of 32125221512 is 21512252123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25352919076 + 6772302436 = 159226^2 + 82294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×32125221512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32125221517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007826337 + ... + 2007826352.

Almost surely, 2^32125221512 is an apocalyptic number.

It is an amenable number.

32125221512 is a deficient number, since it is larger than the sum of its proper divisors (28109568838).

32125221512 is a wasteful number, since it uses less digits than its factorization.

32125221512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015652695 (or 4015652691 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

Adding to 32125221512 its reverse (21512252123), we get a palindrome (53637473635).

The spelling of 32125221512 in words is "thirty-two billion, one hundred twenty-five million, two hundred twenty-one thousand, five hundred twelve".