212243515352 has 16 divisors (see below), whose sum is σ = 434134463400. Its totient is φ = 96474325120.

The previous prime is 212243515333. The next prime is 212243515357. The reversal of 212243515352 is 253515342212.

212243515352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212243515357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205928977 + ... + 1205929152.

Almost surely, 2^212243515352 is an apocalyptic number.

212243515352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212243515352 is an abundant number, since it is smaller than the sum of its proper divisors (221890948048).

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

212243515352 is a wasteful number, since it uses less digits than its factorization.

212243515352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411858146 (or 2411858142 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 212243515352 its reverse (253515342212), we get a palindrome (465758857564).

The spelling of 212243515352 in words is "two hundred twelve billion, two hundred forty-three million, five hundred fifteen thousand, three hundred fifty-two".