12654501501 has 4 divisors (see below), whose sum is σ = 16872668672. Its totient is φ = 8436334332.

The previous prime is 12654501479. The next prime is 12654501521. The reversal of 12654501501 is 10510545621.

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 not a de Polignac number, because 12654501501 - 2⁵ = 12654501469 is a prime.

It is a super-2 number, since 2×12654501501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654501521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109083581 + ... + 2109083586.

It is an arithmetic number, because the mean of its divisors is an integer number (4218167168).

Almost surely, 2^12654501501 is an apocalyptic number.

It is an amenable number.

12654501501 is a deficient number, since it is larger than the sum of its proper divisors (4218167171).

12654501501 is an equidigital number, since it uses as much as digits as its factorization.

12654501501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218167170.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 12654501501 in words is "twelve billion, six hundred fifty-four million, five hundred one thousand, five hundred one".