1212223411143 has 12 divisors (see below), whose sum is σ = 1853988746688. Its totient is φ = 760610767680.

The previous prime is 1212223411129. The next prime is 1212223411187. The reversal of 1212223411143 is 3411143222121.

1212223411143 is a `hidden beast` number, since 1 + 2 + 12 + 223 + 411 + 14 + 3 = 666.

It is not a de Polignac number, because 1212223411143 - 2¹⁰ = 1212223410119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212223411943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3961514263 + ... + 3961514568.

It is an arithmetic number, because the mean of its divisors is an integer number (154499062224).

Almost surely, 2^{1212223411143} is an apocalyptic number.

1212223411143 is a deficient number, since it is larger than the sum of its proper divisors (641765335545).

1212223411143 is a wasteful number, since it uses less digits than its factorization.

1212223411143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923028854 (or 7923028851 counting only the distinct ones).

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

Adding to 1212223411143 its reverse (3411143222121), we get a palindrome (4623366633264).

The spelling of 1212223411143 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, four hundred eleven thousand, one hundred forty-three".