1213022220303 has 8 divisors (see below), whose sum is σ = 1617706879488. Its totient is φ = 808509520664.

The previous prime is 1213022220281. The next prime is 1213022220313. The reversal of 1213022220303 is 3030222203121.

It is a happy number.

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 1213022220303 - 2¹⁴ = 1213022203919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213022220303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213022220313) 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, 42973425 + ... + 43001642.

It is an arithmetic number, because the mean of its divisors is an integer number (202213359936).

Almost surely, 2^{1213022220303} is an apocalyptic number.

1213022220303 is a deficient number, since it is larger than the sum of its proper divisors (404684659185).

1213022220303 is an equidigital number, since it uses as much as digits as its factorization.

1213022220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85979773.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1213022220303 its reverse (3030222203121), we get a palindrome (4243244423424).

The spelling of 1213022220303 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty thousand, three hundred three".