3102102120 has 128 divisors (see below), whose sum is σ = 10135238400. Its totient is φ = 754980864.

The previous prime is 3102102083. The next prime is 3102102151. The reversal of 3102102120 is 212012013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3102102096 and 3102102105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127669 + ... + 150011.

It is an arithmetic number, because the mean of its divisors is an integer number (79181550).

Almost surely, 2^3102102120 is an apocalyptic number.

3102102120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5067619200).

3102102120 is an abundant number, since it is smaller than the sum of its proper divisors (7033136280).

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

3102102120 is a wasteful number, since it uses less digits than its factorization.

3102102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459 (or 22455 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3102102120 is about 55696.5180240201. The cubic root of 3102102120 is about 1458.4292420697.

Adding to 3102102120 its reverse (212012013), we get a palindrome (3314114133).

The spelling of 3102102120 in words is "three billion, one hundred two million, one hundred two thousand, one hundred twenty".