12612164451 has 32 divisors (see below), whose sum is σ = 18156960000. Its totient is φ = 7762555008.

The previous prime is 12612164431. The next prime is 12612164473. The reversal of 12612164451 is 15446121621.

It is not a de Polignac number, because 12612164451 - 2¹⁰ = 12612163427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12612164431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436120 + ... + 464138.

It is an arithmetic number, because the mean of its divisors is an integer number (567405000).

Almost surely, 2^12612164451 is an apocalyptic number.

12612164451 is a deficient number, since it is larger than the sum of its proper divisors (5544795549).

12612164451 is a wasteful number, since it uses less digits than its factorization.

12612164451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243.

The product of its digits is 11520, while the sum is 33.

The spelling of 12612164451 in words is "twelve billion, six hundred twelve million, one hundred sixty-four thousand, four hundred fifty-one".