3120212121223 has 4 divisors (see below), whose sum is σ = 3120237168048. Its totient is φ = 3120187074400.

The previous prime is 3120212121199. The next prime is 3120212121233. The reversal of 3120212121223 is 3221212120213.

3120212121223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120212121223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120212121194 and 3120212121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120212121233) 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, 12335611 + ... + 12586012.

It is an arithmetic number, because the mean of its divisors is an integer number (780059292012).

Almost surely, 2^{3120212121223} is an apocalyptic number.

3120212121223 is a deficient number, since it is larger than the sum of its proper divisors (25046825).

3120212121223 is a wasteful number, since it uses less digits than its factorization.

3120212121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25046824.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3120212121223 its reverse (3221212120213), we get a palindrome (6341424241436).

The spelling of 3120212121223 in words is "three trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-three".