12571440501 has 8 divisors (see below), whose sum is σ = 16778838784. Its totient is φ = 8372501280.

The previous prime is 12571440499. The next prime is 12571440503. The reversal of 12571440501 is 10504417521.

It is an interprime number because it is at equal distance from previous prime (12571440499) and next prime (12571440503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12571440501 - 2¹ = 12571440499 is a prime.

It is a super-2 number, since 2×12571440501² (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 (12571440503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111296 + ... + 2117241.

It is an arithmetic number, because the mean of its divisors is an integer number (2097354848).

Almost surely, 2^12571440501 is an apocalyptic number.

It is an amenable number.

12571440501 is a deficient number, since it is larger than the sum of its proper divisors (4207398283).

12571440501 is an equidigital number, since it uses as much as digits as its factorization.

12571440501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229531.

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 12571440501 in words is "twelve billion, five hundred seventy-one million, four hundred forty thousand, five hundred one".