212302253643 has 16 divisors (see below), whose sum is σ = 292848960000. Its totient is φ = 136645800480.

The previous prime is 212302253609. The next prime is 212302253689. The reversal of 212302253643 is 346352203212.

It is not a de Polignac number, because 212302253643 - 2⁹ = 212302253131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212302253243) 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, 1517358 + ... + 1651356.

It is an arithmetic number, because the mean of its divisors is an integer number (18303060000).

Almost surely, 2^212302253643 is an apocalyptic number.

212302253643 is a deficient number, since it is larger than the sum of its proper divisors (80546706357).

212302253643 is a wasteful number, since it uses less digits than its factorization.

212302253643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152242.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 212302253643 its reverse (346352203212), we get a palindrome (558654456855).

The spelling of 212302253643 in words is "two hundred twelve billion, three hundred two million, two hundred fifty-three thousand, six hundred forty-three".