1213322233141 has 2 divisors, whose sum is σ = 1213322233142. Its totient is φ = 1213322233140.

The previous prime is 1213322233111. The next prime is 1213322233147. The reversal of 1213322233141 is 1413322233121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886744272241 + 326577960900 = 941671^2 + 571470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213322233141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213322233147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606661116570 + 606661116571.

It is an arithmetic number, because the mean of its divisors is an integer number (606661116571).

Almost surely, 2^{1213322233141} is an apocalyptic number.

It is an amenable number.

1213322233141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213322233141 is an equidigital number, since it uses as much as digits as its factorization.

1213322233141 is an evil number, because the sum of its binary digits is even.

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

Adding to 1213322233141 its reverse (1413322233121), we get a palindrome (2626644466262).

The spelling of 1213322233141 in words is "one trillion, two hundred thirteen billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred forty-one".