12810810246390 has 112 divisors (see below), whose sum is σ = 37232862267888. Its totient is φ = 3153430191168.

The previous prime is 12810810246337. The next prime is 12810810246391. The reversal of 12810810246390 is 9364201801821.

12810810246390 is a `hidden beast` number, since 1 + 2 + 8 + 1 + 0 + 8 + 1 + 0 + 2 + 4 + 639 + 0 = 666.

It is a super-2 number, since 2×12810810246390² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810810246391) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 67494184 + ... + 67683723.

It is an arithmetic number, because the mean of its divisors is an integer number (332436270249).

Almost surely, 2^{12810810246390} is an apocalyptic number.

12810810246390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12810810246390 is an abundant number, since it is smaller than the sum of its proper divisors (24422052021498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12810810246390 is a wasteful number, since it uses less digits than its factorization.

12810810246390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135177945 (or 135177930 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 12810810246390 in words is "twelve trillion, eight hundred ten billion, eight hundred ten million, two hundred forty-six thousand, three hundred ninety".