12162126501 has 48 divisors (see below), whose sum is σ = 20207616000. Its totient is φ = 6904789920.

The previous prime is 12162126481. The next prime is 12162126511. The reversal of 12162126501 is 10562126121.

12162126501 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 2 + 1 + 2 + 650 + 1 = 666.

It is not a de Polignac number, because 12162126501 - 2⁷ = 12162126373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162126511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8267196 + ... + 8268666.

It is an arithmetic number, because the mean of its divisors is an integer number (420992000).

Almost surely, 2^12162126501 is an apocalyptic number.

It is an amenable number.

12162126501 is a deficient number, since it is larger than the sum of its proper divisors (8045489499).

12162126501 is a wasteful number, since it uses less digits than its factorization.

12162126501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12162126501 in words is "twelve billion, one hundred sixty-two million, one hundred twenty-six thousand, five hundred one".