12855700001 has 4 divisors (see below), whose sum is σ = 12856012032. Its totient is φ = 12855387972.

The previous prime is 12855699979. The next prime is 12855700021. The reversal of 12855700001 is 10000755821.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12855700001 is a prime.

It is a super-2 number, since 2×12855700001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12855700021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82745 + ... + 180438.

It is an arithmetic number, because the mean of its divisors is an integer number (3214003008).

Almost surely, 2^12855700001 is an apocalyptic number.

It is an amenable number.

12855700001 is a deficient number, since it is larger than the sum of its proper divisors (312031).

12855700001 is an equidigital number, since it uses as much as digits as its factorization.

12855700001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312030.

The product of its (nonzero) digits is 2800, while the sum is 29.

The spelling of 12855700001 in words is "twelve billion, eight hundred fifty-five million, seven hundred thousand, one".