12163042451 has 16 divisors (see below), whose sum is σ = 14908320000. Its totient is φ = 9690396768.

The previous prime is 12163042379. The next prime is 12163042469. The reversal of 12163042451 is 15424036121.

It is a cyclic number.

It is not a de Polignac number, because 12163042451 - 2¹⁴ = 12163026067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12163042481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855701 + ... + 869798.

It is an arithmetic number, because the mean of its divisors is an integer number (931770000).

Almost surely, 2^12163042451 is an apocalyptic number.

12163042451 is a deficient number, since it is larger than the sum of its proper divisors (2745277549).

12163042451 is a wasteful number, since it uses less digits than its factorization.

12163042451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725578.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 12163042451 its reverse (15424036121), we get a palindrome (27587078572).

The spelling of 12163042451 in words is "twelve billion, one hundred sixty-three million, forty-two thousand, four hundred fifty-one".