1223212110303 has 8 divisors (see below), whose sum is σ = 1630964723328. Its totient is φ = 815467118744.

The previous prime is 1223212110277. The next prime is 1223212110343. The reversal of 1223212110303 is 3030112123221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223212110303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223212110303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223212110343) 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, 1519725 + ... + 2180822.

It is an arithmetic number, because the mean of its divisors is an integer number (203870590416).

Almost surely, 2^{1223212110303} is an apocalyptic number.

1223212110303 is a deficient number, since it is larger than the sum of its proper divisors (407752613025).

1223212110303 is a wasteful number, since it uses less digits than its factorization.

1223212110303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810733.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1223212110303 its reverse (3030112123221), we get a palindrome (4253324233524).

The spelling of 1223212110303 in words is "one trillion, two hundred twenty-three billion, two hundred twelve million, one hundred ten thousand, three hundred three".