12120200010 has 24 divisors (see below), whose sum is σ = 31512520260. Its totient is φ = 3232053312.

The previous prime is 12120200009. The next prime is 12120200023. The reversal of 12120200010 is 1000202121.

12120200010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10241237601 + 1878962409 = 101199^2 + 43347^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12120199965 and 12120200001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67334355 + ... + 67334534.

Almost surely, 2^12120200010 is an apocalyptic number.

12120200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120200010 is an abundant number, since it is smaller than the sum of its proper divisors (19392320250).

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

12120200010 is a wasteful number, since it uses less digits than its factorization.

12120200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134668902 (or 134668899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12120200010 its reverse (1000202121), we get a palindrome (13120402131).

The spelling of 12120200010 in words is "twelve billion, one hundred twenty million, two hundred thousand, ten".