12012336226 has 32 divisors (see below), whose sum is σ = 19880335296. Its totient is φ = 5443257600.

The previous prime is 12012336211. The next prime is 12012336233. The reversal of 12012336226 is 62263321021.

It is a junction number, because it is equal to n+sod(n) for n = 12012336194 and 12012336203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874306 + ... + 887938.

It is an arithmetic number, because the mean of its divisors is an integer number (621260478).

Almost surely, 2^12012336226 is an apocalyptic number.

12012336226 is a deficient number, since it is larger than the sum of its proper divisors (7867999070).

12012336226 is a wasteful number, since it uses less digits than its factorization.

12012336226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13999 (or 13977 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12012336226 its reverse (62263321021), we get a palindrome (74275657247).

The spelling of 12012336226 in words is "twelve billion, twelve million, three hundred thirty-six thousand, two hundred twenty-six".