12115020 has 48 divisors (see below), whose sum is σ = 35400960. Its totient is φ = 3089856.

The previous prime is 12115013. The next prime is 12115031. The reversal of 12115020 is 2051121.

12115020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12114987 and 12115005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010 + ... + 5769.

It is an arithmetic number, because the mean of its divisors is an integer number (737520).

Almost surely, 2^12115020 is an apocalyptic number.

12115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12115020 is an abundant number, since it is smaller than the sum of its proper divisors (23285940).

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

12115020 is a wasteful number, since it uses less digits than its factorization.

12115020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814 (or 8812 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12115020 is about 3480.6637298079. The cubic root of 12115020 is about 229.6719962232.

Adding to 12115020 its reverse (2051121), we get a palindrome (14166141).

The spelling of 12115020 in words is "twelve million, one hundred fifteen thousand, twenty".