1224451872431 has 2 divisors, whose sum is σ = 1224451872432. Its totient is φ = 1224451872430.

The previous prime is 1224451872409. The next prime is 1224451872437. The reversal of 1224451872431 is 1342781544221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224451872431 - 2²² = 1224447678127 is a prime.

It is a super-2 number, since 2×1224451872431² (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 (1224451872437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612225936215 + 612225936216.

It is an arithmetic number, because the mean of its divisors is an integer number (612225936216).

Almost surely, 2^{1224451872431} is an apocalyptic number.

1224451872431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224451872431 is an equidigital number, since it uses as much as digits as its factorization.

1224451872431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 44.

The spelling of 1224451872431 in words is "one trillion, two hundred twenty-four billion, four hundred fifty-one million, eight hundred seventy-two thousand, four hundred thirty-one".