212133314314021 has 4 divisors (see below), whose sum is σ = 212152259874412. Its totient is φ = 212114368753632.

The previous prime is 212133314314007. The next prime is 212133314314049. The reversal of 212133314314021 is 120413413331212.

212133314314021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39854852824900 + 172278461489121 = 6313070^2 + 13125489^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133314314021 - 2¹⁵ = 212133314281253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133314314121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9472763400 + ... + 9472785793.

It is an arithmetic number, because the mean of its divisors is an integer number (53038064968603).

Almost surely, 2^{212133314314021} is an apocalyptic number.

It is an amenable number.

212133314314021 is a deficient number, since it is larger than the sum of its proper divisors (18945560391).

212133314314021 is a wasteful number, since it uses less digits than its factorization.

212133314314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945560390.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 212133314314021 its reverse (120413413331212), we get a palindrome (332546727645233).

The spelling of 212133314314021 in words is "two hundred twelve trillion, one hundred thirty-three billion, three hundred fourteen million, three hundred fourteen thousand, twenty-one".