1212322033223 has 4 divisors (see below), whose sum is σ = 1385510895120. Its totient is φ = 1039133171328.

The previous prime is 1212322033201. The next prime is 1212322033259. The reversal of 1212322033223 is 3223302232121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1212322033223 - 2²⁴ = 1212305256007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212322033192 and 1212322033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212322033723) 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, 86594430938 + ... + 86594430951.

It is an arithmetic number, because the mean of its divisors is an integer number (346377723780).

Almost surely, 2^{1212322033223} is an apocalyptic number.

1212322033223 is a deficient number, since it is larger than the sum of its proper divisors (173188861897).

1212322033223 is an equidigital number, since it uses as much as digits as its factorization.

1212322033223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173188861896.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1212322033223 its reverse (3223302232121), we get a palindrome (4435624265344).

The spelling of 1212322033223 in words is "one trillion, two hundred twelve billion, three hundred twenty-two million, thirty-three thousand, two hundred twenty-three".