2170947481312 has 48 divisors (see below), whose sum is σ = 4316484114432. Its totient is φ = 1074732382080.

The previous prime is 2170947481301. The next prime is 2170947481337. The reversal of 2170947481312 is 2131847490712.

It is a super-2 number, since 2×2170947481312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451443 + ... + 2539405.

It is an arithmetic number, because the mean of its divisors is an integer number (89926752384).

Almost surely, 2^{2170947481312} is an apocalyptic number.

It is an amenable number.

2170947481312 is a deficient number, since it is larger than the sum of its proper divisors (2145536633120).

2170947481312 is a wasteful number, since it uses less digits than its factorization.

2170947481312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088591 (or 1088583 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 2170947481312 in words is "two trillion, one hundred seventy billion, nine hundred forty-seven million, four hundred eighty-one thousand, three hundred twelve".