3123033220120 has 64 divisors (see below), whose sum is σ = 8069081068800. Its totient is φ = 1075877470080.

The previous prime is 3123033220067. The next prime is 3123033220121. The reversal of 3123033220120 is 210223303213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3123033220091 and 3123033220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123033220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186775924 + ... + 186792643.

It is an arithmetic number, because the mean of its divisors is an integer number (126079391700).

Almost surely, 2^{3123033220120} is an apocalyptic number.

It is an amenable number.

3123033220120 is an abundant number, since it is smaller than the sum of its proper divisors (4946047848680).

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

3123033220120 is a wasteful number, since it uses less digits than its factorization.

3123033220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373568608 (or 373568604 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 3123033220120 its reverse (210223303213), we get a palindrome (3333256523333).

The spelling of 3123033220120 in words is "three trillion, one hundred twenty-three billion, thirty-three million, two hundred twenty thousand, one hundred twenty".