3012121323331 has 4 divisors (see below), whose sum is σ = 3012137269200. Its totient is φ = 3012105377464.

The previous prime is 3012121323269. The next prime is 3012121323371. The reversal of 3012121323331 is 1333231212103.

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

It is a cyclic number.

It is not a de Polignac number, because 3012121323331 - 2¹⁷ = 3012121192259 is a prime.

It is a super-2 number, since 2×3012121323331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012121323296 and 3012121323305.

It is not an unprimeable number, because it can be changed into a prime (3012121323371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7686151 + ... + 8068528.

It is an arithmetic number, because the mean of its divisors is an integer number (753034317300).

Almost surely, 2^{3012121323331} is an apocalyptic number.

3012121323331 is a deficient number, since it is larger than the sum of its proper divisors (15945869).

3012121323331 is a wasteful number, since it uses less digits than its factorization.

3012121323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945868.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3012121323331 its reverse (1333231212103), we get a palindrome (4345352535434).

The spelling of 3012121323331 in words is "three trillion, twelve billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-one".