212223312307051 has 2 divisors, whose sum is σ = 212223312307052. Its totient is φ = 212223312307050.

The previous prime is 212223312307033. The next prime is 212223312307091. The reversal of 212223312307051 is 150703213322212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212223312307051 - 2⁷ = 212223312306923 is a prime.

It is a super-2 number, since 2×212223312307051² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212223312306998 and 212223312307016.

It is not a weakly prime, because it can be changed into another prime (212223312307091) 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 as a sum of consecutive naturals, namely, 106111656153525 + 106111656153526.

It is an arithmetic number, because the mean of its divisors is an integer number (106111656153526).

Almost surely, 2^{212223312307051} is an apocalyptic number.

212223312307051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212223312307051 is an equidigital number, since it uses as much as digits as its factorization.

212223312307051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 212223312307051 its reverse (150703213322212), we get a palindrome (362926525629263).

The spelling of 212223312307051 in words is "two hundred twelve trillion, two hundred twenty-three billion, three hundred twelve million, three hundred seven thousand, fifty-one".