12361601236 has 12 divisors (see below), whose sum is σ = 21855821428. Its totient is φ = 6117080832.

The previous prime is 12361601233. The next prime is 12361601249. The reversal of 12361601236 is 63210616321.

It can be written as a sum of positive squares in 2 ways, for example, as 8689968400 + 3671632836 = 93220^2 + 60594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12361601198 and 12361601207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361601233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15929511 + ... + 15930286.

Almost surely, 2^12361601236 is an apocalyptic number.

It is an amenable number.

12361601236 is a deficient number, since it is larger than the sum of its proper divisors (9494220192).

12361601236 is a wasteful number, since it uses less digits than its factorization.

12361601236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31859898 (or 31859896 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 12361601236 in words is "twelve billion, three hundred sixty-one million, six hundred one thousand, two hundred thirty-six".