212456830371 has 32 divisors (see below), whose sum is σ = 308933222400. Its totient is φ = 129526535040.

The previous prime is 212456830357. The next prime is 212456830381. The reversal of 212456830371 is 173038654212.

It is a de Polignac number, because none of the positive numbers 2^k-212456830371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212456830381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711276 + ... + 964793.

It is an arithmetic number, because the mean of its divisors is an integer number (9654163200).

Almost surely, 2^212456830371 is an apocalyptic number.

212456830371 is a deficient number, since it is larger than the sum of its proper divisors (96476392029).

212456830371 is a wasteful number, since it uses less digits than its factorization.

212456830371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676179.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 212456830371 in words is "two hundred twelve billion, four hundred fifty-six million, eight hundred thirty thousand, three hundred seventy-one".