212144022444315 has 80 divisors (see below), whose sum is σ = 368199081203616. Its totient is φ = 104302733184000.

The previous prime is 212144022444313. The next prime is 212144022444337. The reversal of 212144022444315 is 513444220441212.

It is a happy number.

It is not a de Polignac number, because 212144022444315 - 2¹ = 212144022444313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (212144022444313) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 325698465 + ... + 326349165.

Almost surely, 2^{212144022444315} is an apocalyptic number.

212144022444315 is a deficient number, since it is larger than the sum of its proper divisors (156055058759301).

212144022444315 is an frugal number, since it uses more digits than its factorization.

212144022444315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651522 (or 651483 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 212144022444315 its reverse (513444220441212), we get a palindrome (725588242885527).

The spelling of 212144022444315 in words is "two hundred twelve trillion, one hundred forty-four billion, twenty-two million, four hundred forty-four thousand, three hundred fifteen".