1442212120123 has 4 divisors (see below), whose sum is σ = 1442232541960. Its totient is φ = 1442191698288.

The previous prime is 1442212120117. The next prime is 1442212120163. The reversal of 1442212120123 is 3210212122441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442212120123 - 2⁵ = 1442212120091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442212120163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10104618 + ... + 10246351.

It is an arithmetic number, because the mean of its divisors is an integer number (360558135490).

Almost surely, 2^{1442212120123} is an apocalyptic number.

1442212120123 is a deficient number, since it is larger than the sum of its proper divisors (20421837).

1442212120123 is an equidigital number, since it uses as much as digits as its factorization.

1442212120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20421836.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1442212120123 its reverse (3210212122441), we get a palindrome (4652424242564).

The spelling of 1442212120123 in words is "one trillion, four hundred forty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-three".