212214343452 has 24 divisors (see below), whose sum is σ = 508549688976. Its totient is φ = 68826273408.

The previous prime is 212214343417. The next prime is 212214343483. The reversal of 212214343452 is 254343412212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238979673 + ... + 238980560.

It is an arithmetic number, because the mean of its divisors is an integer number (21189570374).

Almost surely, 2^212214343452 is an apocalyptic number.

It is an amenable number.

212214343452 is an abundant number, since it is smaller than the sum of its proper divisors (296335345524).

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

212214343452 is a wasteful number, since it uses less digits than its factorization.

212214343452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477960277 (or 477960275 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 212214343452 its reverse (254343412212), we get a palindrome (466557755664).

The spelling of 212214343452 in words is "two hundred twelve billion, two hundred fourteen million, three hundred forty-three thousand, four hundred fifty-two".