12910291040 has 48 divisors (see below), whose sum is σ = 30733441200. Its totient is φ = 5124687360.

The previous prime is 12910291013. The next prime is 12910291067. The reversal of 12910291040 is 4019201921.

It is an interprime number because it is at equal distance from previous prime (12910291013) and next prime (12910291067).

It is a super-2 number, since 2×12910291040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12910290994 and 12910291012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287015 + ... + 328934.

It is an arithmetic number, because the mean of its divisors is an integer number (640280025).

Almost surely, 2^12910291040 is an apocalyptic number.

12910291040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12910291040 is an abundant number, since it is smaller than the sum of its proper divisors (17823150160).

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

12910291040 is a wasteful number, since it uses less digits than its factorization.

12910291040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616095 (or 616087 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 12910291040 its reverse (4019201921), we get a palindrome (16929492961).

The spelling of 12910291040 in words is "twelve billion, nine hundred ten million, two hundred ninety-one thousand, forty".