120012012200 has 24 divisors (see below), whose sum is σ = 279027928830. Its totient is φ = 48004804800.

The previous prime is 120012012157. The next prime is 120012012203. The reversal of 120012012200 is 2210210021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 115816341124 + 4195671076 = 340318^2 + 64774^2 .

It is not an unprimeable number, because it can be changed into a prime (120012012203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300029831 + ... + 300030230.

Almost surely, 2^120012012200 is an apocalyptic number.

120012012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012012200 is an abundant number, since it is smaller than the sum of its proper divisors (159015916630).

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

120012012200 is a wasteful number, since it uses less digits than its factorization.

120012012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600060077 (or 600060068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120012012200 its reverse (2210210021), we get a palindrome (122222222221).

The spelling of 120012012200 in words is "one hundred twenty billion, twelve million, twelve thousand, two hundred".