212554434322 has 8 divisors (see below), whose sum is σ = 318923570700. Its totient is φ = 106246577424.

The previous prime is 212554434311. The next prime is 212554434341. The reversal of 212554434322 is 223434455212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126827864641 + 85726569681 = 356129^2 + 292791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15311197 + ... + 15325072.

Almost surely, 2^212554434322 is an apocalyptic number.

212554434322 is a deficient number, since it is larger than the sum of its proper divisors (106369136378).

212554434322 is a wasteful number, since it uses less digits than its factorization.

212554434322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30639740.

The product of its digits is 230400, while the sum is 37.

Adding to 212554434322 its reverse (223434455212), we get a palindrome (435988889534).

The spelling of 212554434322 in words is "two hundred twelve billion, five hundred fifty-four million, four hundred thirty-four thousand, three hundred twenty-two".