12200004431 has 4 divisors (see below), whose sum is σ = 12314023272. Its totient is φ = 12085985592.

The previous prime is 12200004409. The next prime is 12200004437. The reversal of 12200004431 is 13440000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13440000221 = 98419 ⋅136559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200004431 is a prime.

It is a super-2 number, since 2×12200004431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200004437) 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, 57009260 + ... + 57009473.

It is an arithmetic number, because the mean of its divisors is an integer number (3078505818).

Almost surely, 2^12200004431 is an apocalyptic number.

12200004431 is a deficient number, since it is larger than the sum of its proper divisors (114018841).

12200004431 is a wasteful number, since it uses less digits than its factorization.

12200004431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114018840.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12200004431 its reverse (13440000221), we get a palindrome (25640004652).

The spelling of 12200004431 in words is "twelve billion, two hundred million, four thousand, four hundred thirty-one".