12354612635161 has 4 divisors (see below), whose sum is σ = 12474560330752. Its totient is φ = 12234664939572.

The previous prime is 12354612635147. The next prime is 12354612635191. The reversal of 12354612635161 is 16153621645321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12354612635161 - 2⁵ = 12354612635129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354612635191) 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, 59973847641 + ... + 59973847846.

It is an arithmetic number, because the mean of its divisors is an integer number (3118640082688).

Almost surely, 2^{12354612635161} is an apocalyptic number.

It is an amenable number.

12354612635161 is a deficient number, since it is larger than the sum of its proper divisors (119947695591).

12354612635161 is a wasteful number, since it uses less digits than its factorization.

12354612635161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119947695590.

The product of its digits is 777600, while the sum is 46.

The spelling of 12354612635161 in words is "twelve trillion, three hundred fifty-four billion, six hundred twelve million, six hundred thirty-five thousand, one hundred sixty-one".