12151505001 has 16 divisors (see below), whose sum is σ = 16505395200. Its totient is φ = 7950538128.

The previous prime is 12151504991. The next prime is 12151505017. The reversal of 12151505001 is 10050515121.

It is not a de Polignac number, because 12151505001 - 2⁹ = 12151504489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12151505501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113931 + ... + 193088.

It is an arithmetic number, because the mean of its divisors is an integer number (1031587200).

Almost surely, 2^12151505001 is an apocalyptic number.

It is an amenable number.

12151505001 is a deficient number, since it is larger than the sum of its proper divisors (4353890199).

12151505001 is a wasteful number, since it uses less digits than its factorization.

12151505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307268.

The product of its (nonzero) digits is 250, while the sum is 21.

The spelling of 12151505001 in words is "twelve billion, one hundred fifty-one million, five hundred five thousand, one".