12254164613642 has 16 divisors (see below), whose sum is σ = 21193043228352. Its totient is φ = 5205308861760.

The previous prime is 12254164613641. The next prime is 12254164613651. The reversal of 12254164613642 is 24631646145221.

It is not an unprimeable number, because it can be changed into a prime (12254164613641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3872996084 + ... + 3872999247.

It is an arithmetic number, because the mean of its divisors is an integer number (1324565201772).

Almost surely, 2^{12254164613642} is an apocalyptic number.

12254164613642 is a deficient number, since it is larger than the sum of its proper divisors (8938878614710).

12254164613642 is a wasteful number, since it uses less digits than its factorization.

12254164613642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745995453.

The product of its digits is 1658880, while the sum is 47.

The spelling of 12254164613642 in words is "twelve trillion, two hundred fifty-four billion, one hundred sixty-four million, six hundred thirteen thousand, six hundred forty-two".