3123221312142 has 24 divisors (see below), whose sum is σ = 6800984439600. Its totient is φ = 1035842243040.

The previous prime is 3123221312063. The next prime is 3123221312177. The reversal of 3123221312142 is 2412131223213.

3123221312142 is a `hidden beast` number, since 3 + 1 + 232 + 213 + 1 + 214 + 2 = 666.

It is a super-2 number, since 2×3123221312142² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435956959 + ... + 435964122.

It is an arithmetic number, because the mean of its divisors is an integer number (283374351650).

Almost surely, 2^{3123221312142} is an apocalyptic number.

3123221312142 is an abundant number, since it is smaller than the sum of its proper divisors (3677763127458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123221312142 is a wasteful number, since it uses less digits than its factorization.

3123221312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871921288 (or 871921285 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 3123221312142 its reverse (2412131223213), we get a palindrome (5535352535355).

The spelling of 3123221312142 in words is "three trillion, one hundred twenty-three billion, two hundred twenty-one million, three hundred twelve thousand, one hundred forty-two".