1212220112023 has 2 divisors, whose sum is σ = 1212220112024. Its totient is φ = 1212220112022.

The previous prime is 1212220112009. The next prime is 1212220112057. The reversal of 1212220112023 is 3202110222121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212220112023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212220112423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606110056011 + 606110056012.

It is an arithmetic number, because the mean of its divisors is an integer number (606110056012).

Almost surely, 2^{1212220112023} is an apocalyptic number.

1212220112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212220112023 is an equidigital number, since it uses as much as digits as its factorization.

1212220112023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1212220112023 its reverse (3202110222121), we get a palindrome (4414330334144).

The spelling of 1212220112023 in words is "one trillion, two hundred twelve billion, two hundred twenty million, one hundred twelve thousand, twenty-three".