1212220022263 has 2 divisors, whose sum is σ = 1212220022264. Its totient is φ = 1212220022262.

The previous prime is 1212220022191. The next prime is 1212220022317. The reversal of 1212220022263 is 3622200222121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212220022263 - 2²⁹ = 1211683151351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212220022863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606110011131 + 606110011132.

It is an arithmetic number, because the mean of its divisors is an integer number (606110011132).

Almost surely, 2^{1212220022263} is an apocalyptic number.

1212220022263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212220022263 is an equidigital number, since it uses as much as digits as its factorization.

1212220022263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1212220022263 its reverse (3622200222121), we get a palindrome (4834420244384).

The spelling of 1212220022263 in words is "one trillion, two hundred twelve billion, two hundred twenty million, twenty-two thousand, two hundred sixty-three".