12481586822878 has 16 divisors (see below), whose sum is σ = 18794887491744. Its totient is φ = 6216667142400.

The previous prime is 12481586822839. The next prime is 12481586822917. The reversal of 12481586822878 is 87822868518421.

It is an interprime number because it is at equal distance from previous prime (12481586822839) and next prime (12481586822917).

It is a super-2 number, since 2×12481586822878² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10120575 + ... + 11286682.

It is an arithmetic number, because the mean of its divisors is an integer number (1174680468234).

Almost surely, 2^{12481586822878} is an apocalyptic number.

12481586822878 is a deficient number, since it is larger than the sum of its proper divisors (6313300668866).

12481586822878 is a wasteful number, since it uses less digits than its factorization.

12481586822878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21408387.

The product of its digits is 220200960, while the sum is 70.

The spelling of 12481586822878 in words is "twelve trillion, four hundred eighty-one billion, five hundred eighty-six million, eight hundred twenty-two thousand, eight hundred seventy-eight".