12231322200145 has 32 divisors (see below), whose sum is σ = 15639734492928. Its totient is φ = 9151103858688.

The previous prime is 12231322200127. The next prime is 12231322200203. The reversal of 12231322200145 is 54100222313221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12231322200145 - 2⁹ = 12231322199633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9010962 + ... + 10279108.

It is an arithmetic number, because the mean of its divisors is an integer number (488741702904).

Almost surely, 2^{12231322200145} is an apocalyptic number.

It is an amenable number.

12231322200145 is a deficient number, since it is larger than the sum of its proper divisors (3408412292783).

12231322200145 is a wasteful number, since it uses less digits than its factorization.

12231322200145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268889.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12231322200145 its reverse (54100222313221), we get a palindrome (66331544513366).

The spelling of 12231322200145 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thousand, one hundred forty-five".