12162242564 has 12 divisors (see below), whose sum is σ = 21292971084. Its totient is φ = 6078536544.

The previous prime is 12162242467. The next prime is 12162242621. The reversal of 12162242564 is 46524226121.

It can be written as a sum of positive squares in 2 ways, for example, as 2673924100 + 9488318464 = 51710^2 + 97408^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635579 + ... + 654434.

It is an arithmetic number, because the mean of its divisors is an integer number (1774414257).

Almost surely, 2^12162242564 is an apocalyptic number.

It is an amenable number.

12162242564 is a deficient number, since it is larger than the sum of its proper divisors (9130728520).

12162242564 is a wasteful number, since it uses less digits than its factorization.

12162242564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292374 (or 1292372 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

Adding to 12162242564 its reverse (46524226121), we get a palindrome (58686468685).

The spelling of 12162242564 in words is "twelve billion, one hundred sixty-two million, two hundred forty-two thousand, five hundred sixty-four".