2171463996312 has 64 divisors (see below), whose sum is σ = 6495832476000. Its totient is φ = 668142767232.

The previous prime is 2171463996287. The next prime is 2171463996319. The reversal of 2171463996312 is 2136993641712.

2171463996312 is a `hidden beast` number, since 2 + 171 + 46 + 39 + 96 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171463996319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386653887 + ... + 386659502.

Almost surely, 2^{2171463996312} is an apocalyptic number.

It is an amenable number.

2171463996312 is an abundant number, since it is smaller than the sum of its proper divisors (4324368479688).

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

2171463996312 is a wasteful number, since it uses less digits than its factorization.

2171463996312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773313417 (or 773313407 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 2171463996312 in words is "two trillion, one hundred seventy-one billion, four hundred sixty-three million, nine hundred ninety-six thousand, three hundred twelve".