1220510200343 has 4 divisors (see below), whose sum is σ = 1394868800400. Its totient is φ = 1046151600288.

The previous prime is 1220510200337. The next prime is 1220510200363. The reversal of 1220510200343 is 3430020150221.

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 1220510200343 - 2¹² = 1220510196247 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 (1220510200363) 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, 87179300018 + ... + 87179300031.

It is an arithmetic number, because the mean of its divisors is an integer number (348717200100).

Almost surely, 2^{1220510200343} is an apocalyptic number.

1220510200343 is a deficient number, since it is larger than the sum of its proper divisors (174358600057).

1220510200343 is an equidigital number, since it uses as much as digits as its factorization.

1220510200343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174358600056.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1220510200343 its reverse (3430020150221), we get a palindrome (4650530350564).

The spelling of 1220510200343 in words is "one trillion, two hundred twenty billion, five hundred ten million, two hundred thousand, three hundred forty-three".