12921390441086 has 16 divisors (see below), whose sum is σ = 19917359629440. Its totient is φ = 6282471157920.

The previous prime is 12921390441059. The next prime is 12921390441103. The reversal of 12921390441086 is 68014409312921.

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, 50018606 + ... + 50276273.

It is an arithmetic number, because the mean of its divisors is an integer number (1244834976840).

Almost surely, 2^{12921390441086} is an apocalyptic number.

12921390441086 is a deficient number, since it is larger than the sum of its proper divisors (6995969188354).

12921390441086 is a wasteful number, since it uses less digits than its factorization.

12921390441086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100296659.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 12921390441086 in words is "twelve trillion, nine hundred twenty-one billion, three hundred ninety million, four hundred forty-one thousand, eighty-six".