12810219007 has 4 divisors (see below), whose sum is σ = 13484441080. Its totient is φ = 12135996936.

The previous prime is 12810218977. The next prime is 12810219013. The reversal of 12810219007 is 70091201821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12810219007 - 2¹¹ = 12810216959 is a prime.

It is a super-2 number, since 2×12810219007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12810219007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810219017) 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, 337111008 + ... + 337111045.

It is an arithmetic number, because the mean of its divisors is an integer number (3371110270).

Almost surely, 2^12810219007 is an apocalyptic number.

12810219007 is a deficient number, since it is larger than the sum of its proper divisors (674222073).

12810219007 is an equidigital number, since it uses as much as digits as its factorization.

12810219007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674222072.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 12810219007 in words is "twelve billion, eight hundred ten million, two hundred nineteen thousand, seven".