12466891234458 has 48 divisors (see below), whose sum is σ = 27471264949440. Its totient is φ = 4084921824192.

The previous prime is 12466891234373. The next prime is 12466891234487. The reversal of 12466891234458 is 85443219866421.

12466891234458 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 68 + 9 + 123 + 445 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12466891234395 and 12466891234404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15748635 + ... + 16521297.

It is an arithmetic number, because the mean of its divisors is an integer number (572318019780).

Almost surely, 2^{12466891234458} is an apocalyptic number.

12466891234458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12466891234458 is an abundant number, since it is smaller than the sum of its proper divisors (15004373714982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12466891234458 is a wasteful number, since it uses less digits than its factorization.

12466891234458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787923 (or 787920 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 12466891234458 in words is "twelve trillion, four hundred sixty-six billion, eight hundred ninety-one million, two hundred thirty-four thousand, four hundred fifty-eight".