12160998761 has 4 divisors (see below), whose sum is σ = 12185370000. Its totient is φ = 12136627524.

The previous prime is 12160998749. The next prime is 12160998763. The reversal of 12160998761 is 16789906121.

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 12160998761 - 2¹⁴ = 12160982377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12160998763) 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, 12184871 + ... + 12185868.

It is an arithmetic number, because the mean of its divisors is an integer number (3046342500).

Almost surely, 2^12160998761 is an apocalyptic number.

It is an amenable number.

12160998761 is a deficient number, since it is larger than the sum of its proper divisors (24371239).

12160998761 is an equidigital number, since it uses as much as digits as its factorization.

12160998761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24371238.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 12160998761 in words is "twelve billion, one hundred sixty million, nine hundred ninety-eight thousand, seven hundred sixty-one".