12722150169 has 32 divisors (see below), whose sum is σ = 19899814400. Its totient is φ = 8010660240.

The previous prime is 12722150153. The next prime is 12722150249. The reversal of 12722150169 is 96105122721.

12722150169 is a `hidden beast` number, since 1 + 2 + 72 + 21 + 501 + 69 = 666.

It is not a de Polignac number, because 12722150169 - 2⁴ = 12722150153 is a prime.

It is a super-2 number, since 2×12722150169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12722150069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132342 + ... + 207264.

It is an arithmetic number, because the mean of its divisors is an integer number (621869200).

Almost surely, 2^12722150169 is an apocalyptic number.

12722150169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12722150169 is a deficient number, since it is larger than the sum of its proper divisors (7177664231).

12722150169 is a wasteful number, since it uses less digits than its factorization.

12722150169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75282 (or 75276 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 12722150169 in words is "twelve billion, seven hundred twenty-two million, one hundred fifty thousand, one hundred sixty-nine".