1211224210143 has 8 divisors (see below), whose sum is σ = 1620125249328. Its totient is φ = 804902988864.

The previous prime is 1211224210129. The next prime is 1211224210151. The reversal of 1211224210143 is 3410124221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211224210143 - 2⁴ = 1211224210127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211224210123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644953380 + ... + 644955257.

It is an arithmetic number, because the mean of its divisors is an integer number (202515656166).

Almost surely, 2^{1211224210143} is an apocalyptic number.

1211224210143 is a deficient number, since it is larger than the sum of its proper divisors (408901039185).

1211224210143 is a wasteful number, since it uses less digits than its factorization.

1211224210143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289908953.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1211224210143 its reverse (3410124221121), we get a palindrome (4621348431264).

The spelling of 1211224210143 in words is "one trillion, two hundred eleven billion, two hundred twenty-four million, two hundred ten thousand, one hundred forty-three".