12149094826 has 16 divisors (see below), whose sum is σ = 20365224768. Its totient is φ = 5387624800.

The previous prime is 12149094823. The next prime is 12149094833. The reversal of 12149094826 is 62849094121.

It is a super-2 number, since 2×12149094826² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12149094821) 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, 6733630 + ... + 6735433.

It is an arithmetic number, because the mean of its divisors is an integer number (1272826548).

Almost surely, 2^12149094826 is an apocalyptic number.

12149094826 is a deficient number, since it is larger than the sum of its proper divisors (8216129942).

12149094826 is a wasteful number, since it uses less digits than its factorization.

12149094826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469117.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 12149094826 in words is "twelve billion, one hundred forty-nine million, ninety-four thousand, eight hundred twenty-six".