3012120 has 64 divisors (see below), whose sum is σ = 10044000. Its totient is φ = 802944.

The previous prime is 3012109. The next prime is 3012131. The reversal of 3012120 is 212103.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3012109) and next prime (3012131).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 315 + ... + 2474.

Almost surely, 2^3012120 is an apocalyptic number.

3012120 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 3012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5022000).

3012120 is an abundant number, since it is smaller than the sum of its proper divisors (7031880).

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

3012120 is a wasteful number, since it uses less digits than its factorization.

3012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3012120 is about 1735.5460235903. The cubic root of 3012120 is about 144.4189190048.

Adding to 3012120 its reverse (212103), we get a palindrome (3224223).

The spelling of 3012120 in words is "three million, twelve thousand, one hundred twenty".