12810609901 has 16 divisors (see below), whose sum is σ = 13484217600. Its totient is φ = 12153960000.

The previous prime is 12810609899. The next prime is 12810609953. The reversal of 12810609901 is 10990601821.

It is a cyclic number.

It is not a de Polignac number, because 12810609901 - 2¹ = 12810609899 is a prime.

It is a super-2 number, since 2×12810609901² (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 (12810609961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470151 + ... + 496651.

It is an arithmetic number, because the mean of its divisors is an integer number (842763600).

Almost surely, 2^12810609901 is an apocalyptic number.

It is an amenable number.

12810609901 is a deficient number, since it is larger than the sum of its proper divisors (673607699).

12810609901 is a wasteful number, since it uses less digits than its factorization.

12810609901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26820.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 12810609901 in words is "twelve billion, eight hundred ten million, six hundred nine thousand, nine hundred one".