12361768878 has 64 divisors (see below), whose sum is σ = 26194581504. Its totient is φ = 3882816000.

The previous prime is 12361768877. The next prime is 12361768879. The reversal of 12361768878 is 87886716321.

It is an interprime number because it is at equal distance from previous prime (12361768877) and next prime (12361768879).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361768877) 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 31 ways as a sum of consecutive naturals, for example, 4902258 + ... + 4904778.

It is an arithmetic number, because the mean of its divisors is an integer number (409290336).

Almost surely, 2^12361768878 is an apocalyptic number.

12361768878 is an abundant number, since it is smaller than the sum of its proper divisors (13832812626).

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

12361768878 is a wasteful number, since it uses less digits than its factorization.

12361768878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241.

The product of its digits is 5419008, while the sum is 57.

The spelling of 12361768878 in words is "twelve billion, three hundred sixty-one million, seven hundred sixty-eight thousand, eight hundred seventy-eight".