12212537632 has 24 divisors (see below), whose sum is σ = 24048202752. Its totient is φ = 6105057600.

The previous prime is 12212537591. The next prime is 12212537633. The reversal of 12212537632 is 23673521221.

It is not an unprimeable number, because it can be changed into a prime (12212537633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138657 + ... + 208927.

It is an arithmetic number, because the mean of its divisors is an integer number (1002008448).

Almost surely, 2^12212537632 is an apocalyptic number.

It is an amenable number.

12212537632 is a deficient number, since it is larger than the sum of its proper divisors (11835665120).

12212537632 is an equidigital number, since it uses as much as digits as its factorization.

12212537632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75712 (or 75704 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The spelling of 12212537632 in words is "twelve billion, two hundred twelve million, five hundred thirty-seven thousand, six hundred thirty-two".