212271447370 has 16 divisors (see below), whose sum is σ = 382102236360. Its totient is φ = 84905549824.

The previous prime is 212271447361. The next prime is 212271447371. The reversal of 212271447370 is 73744172212.

It can be written as a sum of positive squares in 4 ways, for example, as 161130790921 + 51140656449 = 401411^2 + 226143^2 .

It is not an unprimeable number, because it can be changed into a prime (212271447371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72535 + ... + 655594.

Almost surely, 2^212271447370 is an apocalyptic number.

212271447370 is a deficient number, since it is larger than the sum of its proper divisors (169830788990).

212271447370 is a wasteful number, since it uses less digits than its factorization.

212271447370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757289.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 212271447370 in words is "two hundred twelve billion, two hundred seventy-one million, four hundred forty-seven thousand, three hundred seventy".