3121223223202 has 8 divisors (see below), whose sum is σ = 5350668382656. Its totient is φ = 1337667095652.

The previous prime is 3121223223187. The next prime is 3121223223221. The reversal of 3121223223202 is 2023223221213.

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

It is a super-2 number, since 2×3121223223202² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111472257958 + ... + 111472257985.

It is an arithmetic number, because the mean of its divisors is an integer number (668833547832).

Almost surely, 2^{3121223223202} is an apocalyptic number.

3121223223202 is a deficient number, since it is larger than the sum of its proper divisors (2229445159454).

3121223223202 is a wasteful number, since it uses less digits than its factorization.

3121223223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222944515952.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3121223223202 its reverse (2023223221213), we get a palindrome (5144446444415).

The spelling of 3121223223202 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred two".