3001200120 has 96 divisors (see below), whose sum is σ = 10010005200. Its totient is φ = 799839936.

The previous prime is 3001200113. The next prime is 3001200131. The reversal of 3001200120 is 210021003.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1799527 + ... + 1801193.

Almost surely, 2^3001200120 is an apocalyptic number.

3001200120 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 3001200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5005002600).

3001200120 is an abundant number, since it is smaller than the sum of its proper divisors (7008805080).

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

3001200120 is an equidigital number, since it uses as much as digits as its factorization.

3001200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 1677 counting only the distinct ones).

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

The square root of 3001200120 is about 54783.2102016667. The cubic root of 3001200120 is about 1442.4418638407.

Adding to 3001200120 its reverse (210021003), we get a palindrome (3211221123).

The spelling of 3001200120 in words is "three billion, one million, two hundred thousand, one hundred twenty".