12133770078 has 16 divisors (see below), whose sum is σ = 25050364416. Its totient is φ = 3914119320.

The previous prime is 12133770053. The next prime is 12133770091. The reversal of 12133770078 is 87007733121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32617476 + ... + 32617847.

It is an arithmetic number, because the mean of its divisors is an integer number (1565647776).

Almost surely, 2^12133770078 is an apocalyptic number.

12133770078 is an abundant number, since it is smaller than the sum of its proper divisors (12916594338).

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

12133770078 is a wasteful number, since it uses less digits than its factorization.

12133770078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65235359.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 12133770078 in words is "twelve billion, one hundred thirty-three million, seven hundred seventy thousand, seventy-eight".