212340232422331 has 16 divisors (see below), whose sum is σ = 233849090361600. Its totient is φ = 191607778235808.

The previous prime is 212340232422317. The next prime is 212340232422337. The reversal of 212340232422331 is 133224232043212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212340232422331 - 2¹⁹ = 212340231898043 is a prime.

It is a super-2 number, since 2×212340232422331² (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 (212340232422337) 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 15 ways as a sum of consecutive naturals, for example, 773173191 + ... + 773447776.

It is an arithmetic number, because the mean of its divisors is an integer number (14615568147600).

Almost surely, 2^{212340232422331} is an apocalyptic number.

212340232422331 is a deficient number, since it is larger than the sum of its proper divisors (21508857939269).

212340232422331 is a wasteful number, since it uses less digits than its factorization.

212340232422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546621218.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 212340232422331 its reverse (133224232043212), we get a palindrome (345564464465543).

The spelling of 212340232422331 in words is "two hundred twelve trillion, three hundred forty billion, two hundred thirty-two million, four hundred twenty-two thousand, three hundred thirty-one".