12001222532 has 48 divisors (see below), whose sum is σ = 23677207680. Its totient is φ = 5281106688.

The previous prime is 12001222523. The next prime is 12001222547. The reversal of 12001222532 is 23522210021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358319 + ... + 390377.

It is an arithmetic number, because the mean of its divisors is an integer number (493275160).

Almost surely, 2^12001222532 is an apocalyptic number.

It is an amenable number.

12001222532 is a deficient number, since it is larger than the sum of its proper divisors (11675985148).

12001222532 is a wasteful number, since it uses less digits than its factorization.

12001222532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32412 (or 32410 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12001222532 its reverse (23522210021), we get a palindrome (35523432553).

The spelling of 12001222532 in words is "twelve billion, one million, two hundred twenty-two thousand, five hundred thirty-two".