212442300312 has 64 divisors (see below), whose sum is σ = 585124680960. Its totient is φ = 63739056000.

The previous prime is 212442300307. The next prime is 212442300331. The reversal of 212442300312 is 213003244212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957028 + ... + 4010355.

It is an arithmetic number, because the mean of its divisors is an integer number (9142573140).

Almost surely, 2^212442300312 is an apocalyptic number.

212442300312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212442300312 is an abundant number, since it is smaller than the sum of its proper divisors (372682380648).

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

212442300312 is a wasteful number, since it uses less digits than its factorization.

212442300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967504 (or 7967500 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212442300312 its reverse (213003244212), we get a palindrome (425445544524).

The spelling of 212442300312 in words is "two hundred twelve billion, four hundred forty-two million, three hundred thousand, three hundred twelve".