12236778701 has 16 divisors (see below), whose sum is σ = 14374900224. Its totient is φ = 10199664384.

The previous prime is 12236778689. The next prime is 12236778739. The reversal of 12236778701 is 10787763221.

It is a de Polignac number, because none of the positive numbers 2^k-12236778701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12236778751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104021 + ... + 187866.

It is an arithmetic number, because the mean of its divisors is an integer number (898431264).

Almost surely, 2^12236778701 is an apocalyptic number.

It is an amenable number.

12236778701 is a deficient number, since it is larger than the sum of its proper divisors (2138121523).

12236778701 is a wasteful number, since it uses less digits than its factorization.

12236778701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292060.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 12236778701 in words is "twelve billion, two hundred thirty-six million, seven hundred seventy-eight thousand, seven hundred one".