12117154474036 has 6 divisors (see below), whose sum is σ = 21205020329570. Its totient is φ = 6058577237016.

The previous prime is 12117154474021. The next prime is 12117154474067. The reversal of 12117154474036 is 63047445171121.

It can be written as a sum of positive squares in only one way, i.e., 12117054673936 + 99800100 = 3480956^2 + 9990^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514644309251 + ... + 1514644309258.

Almost surely, 2^{12117154474036} is an apocalyptic number.

It is an amenable number.

12117154474036 is a deficient number, since it is larger than the sum of its proper divisors (9087865855534).

12117154474036 is a wasteful number, since it uses less digits than its factorization.

12117154474036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029288618513 (or 3029288618511 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 12117154474036 in words is "twelve trillion, one hundred seventeen billion, one hundred fifty-four million, four hundred seventy-four thousand, thirty-six".