1245402112223 has 2 divisors, whose sum is σ = 1245402112224. Its totient is φ = 1245402112222.

The previous prime is 1245402112189. The next prime is 1245402112231. The reversal of 1245402112223 is 3222112045421.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222112045421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245402112223 - 2¹⁸ = 1245401850079 is a prime.

It is a super-2 number, since 2×1245402112223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245402112523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622701056111 + 622701056112.

It is an arithmetic number, because the mean of its divisors is an integer number (622701056112).

Almost surely, 2^{1245402112223} is an apocalyptic number.

1245402112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245402112223 is an equidigital number, since it uses as much as digits as its factorization.

1245402112223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1245402112223 its reverse (3222112045421), we get a palindrome (4467514157644).

The spelling of 1245402112223 in words is "one trillion, two hundred forty-five billion, four hundred two million, one hundred twelve thousand, two hundred twenty-three".