10121717012 has 48 divisors (see below), whose sum is σ = 20486860800. Its totient is φ = 4327227360.

The previous prime is 10121716987. The next prime is 10121717059. The reversal of 10121717012 is 21071712101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72653 + ... + 159755.

It is an arithmetic number, because the mean of its divisors is an integer number (426809600).

Almost surely, 2^10121717012 is an apocalyptic number.

It is an amenable number.

10121717012 is an abundant number, since it is smaller than the sum of its proper divisors (10365143788).

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

10121717012 is a wasteful number, since it uses less digits than its factorization.

10121717012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87276 (or 87274 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 23.

The spelling of 10121717012 in words is "ten billion, one hundred twenty-one million, seven hundred seventeen thousand, twelve".