3115240402120 has 128 divisors (see below), whose sum is σ = 8743697280000. Its totient is φ = 970446124800.

The previous prime is 3115240402117. The next prime is 3115240402133. The reversal of 3115240402120 is 212040425113.

It is a super-3 number, since 3×3115240402120³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5298631 + ... + 5857129.

It is an arithmetic number, because the mean of its divisors is an integer number (68310135000).

Almost surely, 2^{3115240402120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115240402120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4371848640000).

3115240402120 is an abundant number, since it is smaller than the sum of its proper divisors (5628456877880).

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

3115240402120 is a wasteful number, since it uses less digits than its factorization.

3115240402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560339 (or 560335 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 3115240402120 its reverse (212040425113), we get a palindrome (3327280827233).

The spelling of 3115240402120 in words is "three trillion, one hundred fifteen billion, two hundred forty million, four hundred two thousand, one hundred twenty".