1220452452143 has 4 divisors (see below), whose sum is σ = 1235901217440. Its totient is φ = 1205003686848.

The previous prime is 1220452452119. The next prime is 1220452452169. The reversal of 1220452452143 is 3412542540221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220452452143 - 2¹⁴ = 1220452435759 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 (1220452422143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724382530 + ... + 7724382687.

It is an arithmetic number, because the mean of its divisors is an integer number (308975304360).

Almost surely, 2^{1220452452143} is an apocalyptic number.

1220452452143 is a deficient number, since it is larger than the sum of its proper divisors (15448765297).

1220452452143 is an equidigital number, since it uses as much as digits as its factorization.

1220452452143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448765296.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1220452452143 its reverse (3412542540221), we get a palindrome (4632994992364).

The spelling of 1220452452143 in words is "one trillion, two hundred twenty billion, four hundred fifty-two million, four hundred fifty-two thousand, one hundred forty-three".