1222311412143 has 12 divisors (see below), whose sum is σ = 1842324447600. Its totient is φ = 779444958336.

The previous prime is 1222311412139. The next prime is 1222311412159. The reversal of 1222311412143 is 3412141132221.

1222311412143 is a `hidden beast` number, since 1 + 2 + 2 + 231 + 1 + 412 + 14 + 3 = 666.

It is not a de Polignac number, because 1222311412143 - 2² = 1222311412139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222311412123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2952442818 + ... + 2952443231.

It is an arithmetic number, because the mean of its divisors is an integer number (153527037300).

Almost surely, 2^{1222311412143} is an apocalyptic number.

1222311412143 is a deficient number, since it is larger than the sum of its proper divisors (620013035457).

1222311412143 is a wasteful number, since it uses less digits than its factorization.

1222311412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904886078 (or 5904886075 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 1222311412143 its reverse (3412141132221), we get a palindrome (4634452544364).

The spelling of 1222311412143 in words is "one trillion, two hundred twenty-two billion, three hundred eleven million, four hundred twelve thousand, one hundred forty-three".