212415215205344 has 24 divisors (see below), whose sum is σ = 422891246569680. Its totient is φ = 105014263695616.

The previous prime is 212415215205299. The next prime is 212415215205463. The reversal of 212415215205344 is 443502512514212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37291994204 + ... + 37291999899.

It is an arithmetic number, because the mean of its divisors is an integer number (17620468607070).

Almost surely, 2^{212415215205344} is an apocalyptic number.

It is an amenable number.

212415215205344 is a deficient number, since it is larger than the sum of its proper divisors (210476031364336).

212415215205344 is an equidigital number, since it uses as much as digits as its factorization.

212415215205344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74583994202 (or 74583994194 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 212415215205344 its reverse (443502512514212), we get a palindrome (655917727719556).

The spelling of 212415215205344 in words is "two hundred twelve trillion, four hundred fifteen billion, two hundred fifteen million, two hundred five thousand, three hundred forty-four".