212534435212 has 72 divisors (see below), whose sum is σ = 429997119552. Its totient is φ = 91105425600.

The previous prime is 212534435203. The next prime is 212534435221.

212534435212 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (212534435203) and next prime (212534435221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524387 + ... + 1657957.

It is an arithmetic number, because the mean of its divisors is an integer number (5972182216).

Almost surely, 2^212534435212 is an apocalyptic number.

212534435212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212534435212 is an abundant number, since it is smaller than the sum of its proper divisors (217462684340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212534435212 is a wasteful number, since it uses less digits than its factorization.

212534435212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133687 (or 133656 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 212534 and 435212, that added together give a palindrome (647746).

The spelling of 212534435212 in words is "two hundred twelve billion, five hundred thirty-four million, four hundred thirty-five thousand, two hundred twelve".