12578033396 has 12 divisors (see below), whose sum is σ = 22012938948. Its totient is φ = 6288622272.

The previous prime is 12578033333. The next prime is 12578033401. The reversal of 12578033396 is 69333087521.

It can be written as a sum of positive squares in 2 ways, for example, as 176092900 + 12401940496 = 13270^2 + 111364^2 .

It is a super-2 number, since 2×12578033396² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12578033396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19871 + ... + 159846.

It is an arithmetic number, because the mean of its divisors is an integer number (1834411579).

Almost surely, 2^12578033396 is an apocalyptic number.

It is an amenable number.

12578033396 is a deficient number, since it is larger than the sum of its proper divisors (9434905552).

12578033396 is a wasteful number, since it uses less digits than its factorization.

12578033396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197218 (or 197216 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 12578033396 in words is "twelve billion, five hundred seventy-eight million, thirty-three thousand, three hundred ninety-six".