9971950121412 has 96 divisors (see below), whose sum is σ = 23575464823680. Its totient is φ = 3280369397760.

The previous prime is 9971950121401. The next prime is 9971950121431. The reversal of 9971950121412 is 2141210591799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235516308 + ... + 235558644.

It is an arithmetic number, because the mean of its divisors is an integer number (245577758580).

Almost surely, 2^{9971950121412} is an apocalyptic number.

It is an amenable number.

9971950121412 is an abundant number, since it is smaller than the sum of its proper divisors (13603514702268).

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

9971950121412 is a wasteful number, since it uses less digits than its factorization.

9971950121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43301 (or 43299 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 51.

The spelling of 9971950121412 in words is "nine trillion, nine hundred seventy-one billion, nine hundred fifty million, one hundred twenty-one thousand, four hundred twelve".