4312223121 has 8 divisors (see below), whose sum is σ = 5947894080. Its totient is φ = 2775683792.

The previous prime is 4312223117. The next prime is 4312223129. The reversal of 4312223121 is 1213222134.

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 4312223121 - 2² = 4312223117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4312223129) 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, 24782805 + ... + 24782978.

It is an arithmetic number, because the mean of its divisors is an integer number (743486760).

Almost surely, 2^4312223121 is an apocalyptic number.

It is an amenable number.

4312223121 is a deficient number, since it is larger than the sum of its proper divisors (1635670959).

4312223121 is a wasteful number, since it uses less digits than its factorization.

4312223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49565815.

The product of its digits is 576, while the sum is 21.

The square root of 4312223121 is about 65667.5195283026. The cubic root of 4312223121 is about 1627.6726821193.

Adding to 4312223121 its reverse (1213222134), we get a palindrome (5525445255).

The spelling of 4312223121 in words is "four billion, three hundred twelve million, two hundred twenty-three thousand, one hundred twenty-one".