12201124331 has 4 divisors (see below), whose sum is σ = 13310317464. Its totient is φ = 11091931200.

The previous prime is 12201124319. The next prime is 12201124337. The reversal of 12201124331 is 13342110221.

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 12201124331 - 2¹⁰ = 12201123307 is a prime.

It is a super-2 number, since 2×12201124331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201124337) 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, 554596550 + ... + 554596571.

It is an arithmetic number, because the mean of its divisors is an integer number (3327579366).

Almost surely, 2^12201124331 is an apocalyptic number.

12201124331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201124331 is a deficient number, since it is larger than the sum of its proper divisors (1109193133).

12201124331 is a wasteful number, since it uses less digits than its factorization.

12201124331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109193132.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12201124331 its reverse (13342110221), we get a palindrome (25543234552).

The spelling of 12201124331 in words is "twelve billion, two hundred one million, one hundred twenty-four thousand, three hundred thirty-one".