1345211213223 has 16 divisors (see below), whose sum is σ = 1813384052480. Its totient is φ = 886945572864.

The previous prime is 1345211213221. The next prime is 1345211213251. The reversal of 1345211213223 is 3223121125431.

It is not a de Polignac number, because 1345211213223 - 2¹ = 1345211213221 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 (1345211213221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592961 + ... + 3068202.

It is an arithmetic number, because the mean of its divisors is an integer number (113336503280).

Almost surely, 2^{1345211213223} is an apocalyptic number.

1345211213223 is a deficient number, since it is larger than the sum of its proper divisors (468172839257).

1345211213223 is a wasteful number, since it uses less digits than its factorization.

1345211213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662038.

The product of its digits is 8640, while the sum is 30.

Adding to 1345211213223 its reverse (3223121125431), we get a palindrome (4568332338654).

The spelling of 1345211213223 in words is "one trillion, three hundred forty-five billion, two hundred eleven million, two hundred thirteen thousand, two hundred twenty-three".