1244043222123 has 16 divisors (see below), whose sum is σ = 1786357036800. Its totient is φ = 765548532384.

The previous prime is 1244043222091. The next prime is 1244043222167. The reversal of 1244043222123 is 3212223404421.

It is not a de Polignac number, because 1244043222123 - 2⁵ = 1244043222091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244043222223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628428 + ... + 2267126.

It is an arithmetic number, because the mean of its divisors is an integer number (111647314800).

Almost surely, 2^{1244043222123} is an apocalyptic number.

1244043222123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1244043222123 is a deficient number, since it is larger than the sum of its proper divisors (542313814677).

1244043222123 is a wasteful number, since it uses less digits than its factorization.

1244043222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688658.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1244043222123 its reverse (3212223404421), we get a palindrome (4456266626544).

The spelling of 1244043222123 in words is "one trillion, two hundred forty-four billion, forty-three million, two hundred twenty-two thousand, one hundred twenty-three".