12122250401 has 24 divisors (see below), whose sum is σ = 13580815104. Its totient is φ = 10781262720.

The previous prime is 12122250397. The next prime is 12122250409. The reversal of 12122250401 is 10405222121.

It is not a de Polignac number, because 12122250401 - 2² = 12122250397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122250409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2642756 + ... + 2647338.

It is an arithmetic number, because the mean of its divisors is an integer number (565867296).

Almost surely, 2^12122250401 is an apocalyptic number.

It is an amenable number.

12122250401 is a deficient number, since it is larger than the sum of its proper divisors (1458564703).

12122250401 is a wasteful number, since it uses less digits than its factorization.

12122250401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5050 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12122250401 its reverse (10405222121), we get a palindrome (22527472522).

The spelling of 12122250401 in words is "twelve billion, one hundred twenty-two million, two hundred fifty thousand, four hundred one".