12169953085 has 16 divisors (see below), whose sum is σ = 15389792640. Its totient is φ = 9220446400.

The previous prime is 12169953079. The next prime is 12169953091. The reversal of 12169953085 is 58035996121.

It is an interprime number because it is at equal distance from previous prime (12169953079) and next prime (12169953091).

It is not a de Polignac number, because 12169953085 - 2³ = 12169953077 is a prime.

It is a super-2 number, since 2×12169953085² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512275 + ... + 535504.

It is an arithmetic number, because the mean of its divisors is an integer number (961862040).

Almost surely, 2^12169953085 is an apocalyptic number.

It is an amenable number.

12169953085 is a deficient number, since it is larger than the sum of its proper divisors (3219839555).

12169953085 is a wasteful number, since it uses less digits than its factorization.

12169953085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047908.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 12169953085 in words is "twelve billion, one hundred sixty-nine million, nine hundred fifty-three thousand, eighty-five".