212012314122 has 32 divisors (see below), whose sum is σ = 485332769664. Its totient is φ = 60483297600.

The previous prime is 212012314121. The next prime is 212012314139. The reversal of 212012314122 is 221413210212.

It is a happy number.

212012314122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212012314121) 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 15 ways as a sum of consecutive naturals, for example, 3790629 + ... + 3846152.

It is an arithmetic number, because the mean of its divisors is an integer number (15166649052).

Almost surely, 2^212012314122 is an apocalyptic number.

212012314122 is an abundant number, since it is smaller than the sum of its proper divisors (273320455542).

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

212012314122 is a wasteful number, since it uses less digits than its factorization.

212012314122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637454.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212012314122 its reverse (221413210212), we get a palindrome (433425524334).

The spelling of 212012314122 in words is "two hundred twelve billion, twelve million, three hundred fourteen thousand, one hundred twenty-two".