1213122330223 has 8 divisors (see below), whose sum is σ = 1238948904960. Its totient is φ = 1187296399800.

The previous prime is 1213122330221. The next prime is 1213122330227. The reversal of 1213122330223 is 3220332213121.

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 1213122330223 - 2¹ = 1213122330221 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 (1213122330221) 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, 6952498 + ... + 7124848.

It is an arithmetic number, because the mean of its divisors is an integer number (154868613120).

Almost surely, 2^{1213122330223} is an apocalyptic number.

1213122330223 is a deficient number, since it is larger than the sum of its proper divisors (25826574737).

1213122330223 is a wasteful number, since it uses less digits than its factorization.

1213122330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322157.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1213122330223 its reverse (3220332213121), we get a palindrome (4433454543344).

The spelling of 1213122330223 in words is "one trillion, two hundred thirteen billion, one hundred twenty-two million, three hundred thirty thousand, two hundred twenty-three".