12231101133212 has 24 divisors (see below), whose sum is σ = 23441614954800. Its totient is φ = 5549443537536.

The previous prime is 12231101133137. The next prime is 12231101133221. The reversal of 12231101133212 is 21233110113221.

It is a happy number.

12231101133212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1993331537 + ... + 1993337672.

It is an arithmetic number, because the mean of its divisors is an integer number (976733956450).

Almost surely, 2^{12231101133212} is an apocalyptic number.

It is an amenable number.

12231101133212 is a deficient number, since it is larger than the sum of its proper divisors (11210513821588).

12231101133212 is a wasteful number, since it uses less digits than its factorization.

12231101133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986669285 (or 3986669283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12231101133212 its reverse (21233110113221), we get a palindrome (33464211246433).

The spelling of 12231101133212 in words is "twelve trillion, two hundred thirty-one billion, one hundred one million, one hundred thirty-three thousand, two hundred twelve".