212122040323443 has 8 divisors (see below), whose sum is σ = 282829598620608. Its totient is φ = 141414587787624.

The previous prime is 212122040323439. The next prime is 212122040323447. The reversal of 212122040323443 is 344323040221212.

It is a happy number.

212122040323443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212122040323439) and next prime (212122040323447).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212122040323443 - 2² = 212122040323439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122040323447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21635721 + ... + 29872202.

It is an arithmetic number, because the mean of its divisors is an integer number (35353699827576).

Almost surely, 2^{212122040323443} is an apocalyptic number.

212122040323443 is a deficient number, since it is larger than the sum of its proper divisors (70707558297165).

212122040323443 is a wasteful number, since it uses less digits than its factorization.

212122040323443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52880673.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 212122040323443 its reverse (344323040221212), we get a palindrome (556445080544655).

The spelling of 212122040323443 in words is "two hundred twelve trillion, one hundred twenty-two billion, forty million, three hundred twenty-three thousand, four hundred forty-three".