12532022542 has 16 divisors (see below), whose sum is σ = 20433237552. Its totient is φ = 5729952960.

The previous prime is 12532022513. The next prime is 12532022579. The reversal of 12532022542 is 24522023521.

It is a super-2 number, since 2×12532022542² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12532022542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249559 + ... + 2255122.

It is an arithmetic number, because the mean of its divisors is an integer number (1277077347).

Almost surely, 2^12532022542 is an apocalyptic number.

12532022542 is a deficient number, since it is larger than the sum of its proper divisors (7901215010).

12532022542 is a wasteful number, since it uses less digits than its factorization.

12532022542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504803.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 12532022542 in words is "twelve billion, five hundred thirty-two million, twenty-two thousand, five hundred forty-two".