212322033631 has 2 divisors, whose sum is σ = 212322033632. Its totient is φ = 212322033630.

The previous prime is 212322033593. The next prime is 212322033743. The reversal of 212322033631 is 136330223212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212322033631 - 2²⁵ = 212288479199 is a prime.

It is a super-2 number, since 2×212322033631² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212322033631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212322033031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161016815 + 106161016816.

It is an arithmetic number, because the mean of its divisors is an integer number (106161016816).

Almost surely, 2^212322033631 is an apocalyptic number.

212322033631 is a deficient number, since it is larger than the sum of its proper divisors (1).

212322033631 is an equidigital number, since it uses as much as digits as its factorization.

212322033631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 212322033631 its reverse (136330223212), we get a palindrome (348652256843).

The spelling of 212322033631 in words is "two hundred twelve billion, three hundred twenty-two million, thirty-three thousand, six hundred thirty-one".