1231222404107 has 2 divisors, whose sum is σ = 1231222404108. Its totient is φ = 1231222404106.

The previous prime is 1231222404029. The next prime is 1231222404199. The reversal of 1231222404107 is 7014042221321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231222404107 - 2¹⁰ = 1231222403083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231222404107.

It is not a weakly prime, because it can be changed into another prime (1231222404007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615611202053 + 615611202054.

It is an arithmetic number, because the mean of its divisors is an integer number (615611202054).

Almost surely, 2^{1231222404107} is an apocalyptic number.

1231222404107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231222404107 is an equidigital number, since it uses as much as digits as its factorization.

1231222404107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 1231222404107 its reverse (7014042221321), we get a palindrome (8245264625428).

The spelling of 1231222404107 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-two million, four hundred four thousand, one hundred seven".