12294957678 has 32 divisors (see below), whose sum is σ = 25740675072. Its totient is φ = 3910250400.

The previous prime is 12294957673. The next prime is 12294957691. The reversal of 12294957678 is 87675949221.

It is a super-2 number, since 2×12294957678² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294957673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452301 + ... + 478712.

It is an arithmetic number, because the mean of its divisors is an integer number (804396096).

Almost surely, 2^12294957678 is an apocalyptic number.

12294957678 is an abundant number, since it is smaller than the sum of its proper divisors (13445717394).

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

12294957678 is a wasteful number, since it uses less digits than its factorization.

12294957678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931120.

The product of its digits is 15240960, while the sum is 60.

The spelling of 12294957678 in words is "twelve billion, two hundred ninety-four million, nine hundred fifty-seven thousand, six hundred seventy-eight".