12810851094220 has 24 divisors (see below), whose sum is σ = 26904942285984. Its totient is φ = 5123929963776.

The previous prime is 12810851094211. The next prime is 12810851094229. The reversal of 12810851094220 is 2249015801821.

12810851094220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12810851094211) and next prime (12810851094229).

It is not an unprimeable number, because it can be changed into a prime (12810851094229) 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, 25398637 + ... + 25898116.

It is an arithmetic number, because the mean of its divisors is an integer number (1121039261916).

Almost surely, 2^{12810851094220} is an apocalyptic number.

12810851094220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12810851094220 is an abundant number, since it is smaller than the sum of its proper divisors (14094091191764).

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

12810851094220 is a wasteful number, since it uses less digits than its factorization.

12810851094220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51309249 (or 51309247 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 12810851094220 in words is "twelve trillion, eight hundred ten billion, eight hundred fifty-one million, ninety-four thousand, two hundred twenty".