1220313324143 has 8 divisors (see below), whose sum is σ = 1231688210016. Its totient is φ = 1208981772000.

The previous prime is 1220313324073. The next prime is 1220313324149. The reversal of 1220313324143 is 3414233130221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220313324143 - 2¹⁸ = 1220313061999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220313324149) 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, 10776848 + ... + 10889493.

It is an arithmetic number, because the mean of its divisors is an integer number (153961026252).

Almost surely, 2^{1220313324143} is an apocalyptic number.

1220313324143 is a deficient number, since it is larger than the sum of its proper divisors (11374885873).

1220313324143 is a wasteful number, since it uses less digits than its factorization.

1220313324143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21666865.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1220313324143 its reverse (3414233130221), we get a palindrome (4634546454364).

The spelling of 1220313324143 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, three hundred twenty-four thousand, one hundred forty-three".