3221212121223 has 8 divisors (see below), whose sum is σ = 4303488163968. Its totient is φ = 2143205412984.

The previous prime is 3221212121207. The next prime is 3221212121243.

3221212121223 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3221212121223 - 2⁴ = 3221212121207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221212121193 and 3221212121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221212121243) 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, 1067331865 + ... + 1067334882.

It is an arithmetic number, because the mean of its divisors is an integer number (537936020496).

Almost surely, 2^{3221212121223} is an apocalyptic number.

3221212121223 is a deficient number, since it is larger than the sum of its proper divisors (1082276042745).

3221212121223 is a wasteful number, since it uses less digits than its factorization.

3221212121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134667253.

The product of its digits is 1152, while the sum is 24.

The spelling of 3221212121223 in words is "three trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-three".