4454012012123 has 2 divisors, whose sum is σ = 4454012012124. Its totient is φ = 4454012012122.

The previous prime is 4454012012119. The next prime is 4454012012167. The reversal of 4454012012123 is 3212102104544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4454012012123 - 2² = 4454012012119 is a prime.

It is not a weakly prime, because it can be changed into another prime (4454012017123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227006006061 + 2227006006062.

It is an arithmetic number, because the mean of its divisors is an integer number (2227006006062).

Almost surely, 2^{4454012012123} is an apocalyptic number.

4454012012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454012012123 is an equidigital number, since it uses as much as digits as its factorization.

4454012012123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4454012012123 its reverse (3212102104544), we get a palindrome (7666114116667).

The spelling of 4454012012123 in words is "four trillion, four hundred fifty-four billion, twelve million, twelve thousand, one hundred twenty-three".