1220203321310 has 8 divisors (see below), whose sum is σ = 2196365978376. Its totient is φ = 488081328520.

The previous prime is 1220203321301. The next prime is 1220203321349. The reversal of 1220203321310 is 131233020221.

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

It is a super-2 number, since 2×1220203321310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010166056 + ... + 61010166075.

It is an arithmetic number, because the mean of its divisors is an integer number (274545747297).

Almost surely, 2^{1220203321310} is an apocalyptic number.

1220203321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220203321310 is a deficient number, since it is larger than the sum of its proper divisors (976162657066).

1220203321310 is a wasteful number, since it uses less digits than its factorization.

1220203321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122020332138.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220203321310 its reverse (131233020221), we get a palindrome (1351436341531).

The spelling of 1220203321310 in words is "one trillion, two hundred twenty billion, two hundred three million, three hundred twenty-one thousand, three hundred ten".