10121905684 has 12 divisors (see below), whose sum is σ = 19323638208. Its totient is φ = 4600866200.

The previous prime is 10121905669. The next prime is 10121905691. The reversal of 10121905684 is 48650912101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115021612 + ... + 115021699.

It is an arithmetic number, because the mean of its divisors is an integer number (1610303184).

Almost surely, 2^10121905684 is an apocalyptic number.

It is an amenable number.

10121905684 is a deficient number, since it is larger than the sum of its proper divisors (9201732524).

10121905684 is a wasteful number, since it uses less digits than its factorization.

10121905684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230043326 (or 230043324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 10121905684 in words is "ten billion, one hundred twenty-one million, nine hundred five thousand, six hundred eighty-four".