1252423224111 has 16 divisors (see below), whose sum is σ = 1742535590400. Its totient is φ = 798631241760.

The previous prime is 1252423223981. The next prime is 1252423224131. The reversal of 1252423224111 is 1114223242521.

It is not a de Polignac number, because 1252423224111 - 2¹⁷ = 1252423093039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252423224131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4201590 + ... + 4489788.

It is an arithmetic number, because the mean of its divisors is an integer number (108908474400).

Almost surely, 2^{1252423224111} is an apocalyptic number.

1252423224111 is a deficient number, since it is larger than the sum of its proper divisors (490112366289).

1252423224111 is a wasteful number, since it uses less digits than its factorization.

1252423224111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351206.

The product of its digits is 7680, while the sum is 30.

Adding to 1252423224111 its reverse (1114223242521), we get a palindrome (2366646466632).

The spelling of 1252423224111 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-three million, two hundred twenty-four thousand, one hundred eleven".