212214021233231 has 2 divisors, whose sum is σ = 212214021233232. Its totient is φ = 212214021233230.

The previous prime is 212214021233197. The next prime is 212214021233293. The reversal of 212214021233231 is 132332120412212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212214021233231 - 2¹⁰ = 212214021232207 is a prime.

It is a super-2 number, since 2×212214021233231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212214021233194 and 212214021233203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212214021233531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106107010616615 + 106107010616616.

It is an arithmetic number, because the mean of its divisors is an integer number (106107010616616).

Almost surely, 2^{212214021233231} is an apocalyptic number.

212214021233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

212214021233231 is an equidigital number, since it uses as much as digits as its factorization.

212214021233231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 212214021233231 its reverse (132332120412212), we get a palindrome (344546141645443).

The spelling of 212214021233231 in words is "two hundred twelve trillion, two hundred fourteen billion, twenty-one million, two hundred thirty-three thousand, two hundred thirty-one".