3121202123330 has 8 divisors (see below), whose sum is σ = 5618163822012. Its totient is φ = 1248480849328.

The previous prime is 3121202123327. The next prime is 3121202123339. The reversal of 3121202123330 is 333212021213.

It can be written as a sum of positive squares in 2 ways, for example, as 2972689774201 + 148512349129 = 1724149^2 + 385373^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3121202123296 and 3121202123305.

It is not an unprimeable number, because it can be changed into a prime (3121202123339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156060106157 + ... + 156060106176.

Almost surely, 2^{3121202123330} is an apocalyptic number.

3121202123330 is a deficient number, since it is larger than the sum of its proper divisors (2496961698682).

3121202123330 is a wasteful number, since it uses less digits than its factorization.

3121202123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312120212340.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3121202123330 its reverse (333212021213), we get a palindrome (3454414144543).

The spelling of 3121202123330 in words is "three trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-three thousand, three hundred thirty".