212012023331 has 2 divisors, whose sum is σ = 212012023332. Its totient is φ = 212012023330.

The previous prime is 212012023303. The next prime is 212012023343. The reversal of 212012023331 is 133320210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012023331 - 2¹⁰ = 212012022307 is a prime.

It is a super-2 number, since 2×212012023331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212012023631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006011665 + 106006011666.

It is an arithmetic number, because the mean of its divisors is an integer number (106006011666).

Almost surely, 2^212012023331 is an apocalyptic number.

212012023331 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012023331 is an equidigital number, since it uses as much as digits as its factorization.

212012023331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212012023331 its reverse (133320210212), we get a palindrome (345332233543).

The spelling of 212012023331 in words is "two hundred twelve billion, twelve million, twenty-three thousand, three hundred thirty-one".