1303212211223 has 4 divisors (see below), whose sum is σ = 1403459304408. Its totient is φ = 1202965118040.

The previous prime is 1303212211211. The next prime is 1303212211243. The reversal of 1303212211223 is 3221122123031.

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 1303212211223 - 2¹² = 1303212207127 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 (1303212211243) 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, 50123546573 + ... + 50123546598.

It is an arithmetic number, because the mean of its divisors is an integer number (350864826102).

Almost surely, 2^{1303212211223} is an apocalyptic number.

1303212211223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303212211223 is a deficient number, since it is larger than the sum of its proper divisors (100247093185).

1303212211223 is a wasteful number, since it uses less digits than its factorization.

1303212211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100247093184.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1303212211223 its reverse (3221122123031), we get a palindrome (4524334334254).

The spelling of 1303212211223 in words is "one trillion, three hundred three billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-three".