212001310122331 has 4 divisors (see below), whose sum is σ = 223159273813000. Its totient is φ = 200843346431664.

The previous prime is 212001310122319. The next prime is 212001310122353. The reversal of 212001310122331 is 133221013100212.

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

It is a cyclic number.

It is not a de Polignac number, because 212001310122331 - 2⁹ = 212001310121819 is a prime.

It is a super-2 number, since 2×212001310122331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001310122311) 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, 5578981845306 + ... + 5578981845343.

It is an arithmetic number, because the mean of its divisors is an integer number (55789818453250).

Almost surely, 2^{212001310122331} is an apocalyptic number.

212001310122331 is a deficient number, since it is larger than the sum of its proper divisors (11157963690669).

212001310122331 is a wasteful number, since it uses less digits than its factorization.

212001310122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157963690668.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 212001310122331 its reverse (133221013100212), we get a palindrome (345222323222543).

The spelling of 212001310122331 in words is "two hundred twelve trillion, one billion, three hundred ten million, one hundred twenty-two thousand, three hundred thirty-one".