121316910604 has 12 divisors (see below), whose sum is σ = 212615439624. Its totient is φ = 60569642144.

The previous prime is 121316910581. The next prime is 121316910607. The reversal of 121316910604 is 406019613121.

It is a self number, because there is not a number n which added to its sum of digits gives 121316910604.

It is not an unprimeable number, because it can be changed into a prime (121316910607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22200217 + ... + 22205680.

It is an arithmetic number, because the mean of its divisors is an integer number (17717953302).

Almost surely, 2^121316910604 is an apocalyptic number.

It is an amenable number.

121316910604 is a deficient number, since it is larger than the sum of its proper divisors (91298529020).

121316910604 is a wasteful number, since it uses less digits than its factorization.

121316910604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44406584 (or 44406582 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 121316910604 in words is "one hundred twenty-one billion, three hundred sixteen million, nine hundred ten thousand, six hundred four".