12201334231366 has 16 divisors (see below), whose sum is σ = 21311225289504. Its totient is φ = 5130480161664.

The previous prime is 12201334231297. The next prime is 12201334231409. The reversal of 12201334231366 is 66313243310221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8221922595 + ... + 8221924078.

It is an arithmetic number, because the mean of its divisors is an integer number (1331951580594).

Almost surely, 2^{12201334231366} is an apocalyptic number.

12201334231366 is a deficient number, since it is larger than the sum of its proper divisors (9109891058138).

12201334231366 is a wasteful number, since it uses less digits than its factorization.

12201334231366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443846735.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 12201334231366 its reverse (66313243310221), we get a palindrome (78514577541587).

The spelling of 12201334231366 in words is "twelve trillion, two hundred one billion, three hundred thirty-four million, two hundred thirty-one thousand, three hundred sixty-six".