2012120010 has 48 divisors (see below), whose sum is σ = 5290314120. Its totient is φ = 530534400.

The previous prime is 2012120009. The next prime is 2012120023. The reversal of 2012120010 is 100212102.

It can be written as a sum of positive squares in 4 ways, for example, as 1284577281 + 727542729 = 35841^2 + 26973^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2012119974 and 2012120001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117591 + ... + 133610.

Almost surely, 2^2012120010 is an apocalyptic number.

2012120010 is an abundant number, since it is smaller than the sum of its proper divisors (3278194110).

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

2012120010 is a wasteful number, since it uses less digits than its factorization.

2012120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251303 (or 251300 counting only the distinct ones).

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

The square root of 2012120010 is about 44856.6607094197. The cubic root of 2012120010 is about 1262.4609687636.

Adding to 2012120010 its reverse (100212102), we get a palindrome (2112332112).

The spelling of 2012120010 in words is "two billion, twelve million, one hundred twenty thousand, ten".