212234545364 has 12 divisors (see below), whose sum is σ = 371416530324. Its totient is φ = 106115536704.

The previous prime is 212234545361. The next prime is 212234545373. The reversal of 212234545364 is 463545432212.

It can be written as a sum of positive squares in 2 ways, for example, as 80973255364 + 131261290000 = 284558^2 + 362300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234545361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136217 + ... + 665600.

It is an arithmetic number, because the mean of its divisors is an integer number (30951377527).

Almost surely, 2^212234545364 is an apocalyptic number.

It is an amenable number.

212234545364 is a deficient number, since it is larger than the sum of its proper divisors (159181984960).

212234545364 is a wasteful number, since it uses less digits than its factorization.

212234545364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867994 (or 867992 counting only the distinct ones).

The product of its digits is 691200, while the sum is 41.

Adding to 212234545364 its reverse (463545432212), we get a palindrome (675779977576).

The spelling of 212234545364 in words is "two hundred twelve billion, two hundred thirty-four million, five hundred forty-five thousand, three hundred sixty-four".