120020012 has 36 divisors (see below), whose sum is σ = 246534120. Its totient is φ = 50972544.

The previous prime is 120020011. The next prime is 120020027. The reversal of 120020012 is 210020021.

It is not an unprimeable number, because it can be changed into a prime (120020011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19439 + ... + 24857.

It is an arithmetic number, because the mean of its divisors is an integer number (6848170).

Almost surely, 2^120020012 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 120020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123267060).

120020012 is an abundant number, since it is smaller than the sum of its proper divisors (126514108).

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

120020012 is a wasteful number, since it uses less digits than its factorization.

120020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120020012 is about 10955.3645306763. The cubic root of 120020012 is about 493.2698321398.

Adding to 120020012 its reverse (210020021), we get a palindrome (330040033).

Subtracting 120020012 from its reverse (210020021), we obtain a palindrome (90000009).

It can be divided in two parts, 1200 and 20012, that added together give a palindrome (21212).

The spelling of 120020012 in words is "one hundred twenty million, twenty thousand, twelve".