1012120208 has 40 divisors (see below), whose sum is σ = 2158227936. Its totient is φ = 455974400.

The previous prime is 1012120201. The next prime is 1012120217. The reversal of 1012120208 is 8020212101.

It is a happy number.

1012120208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1012120208³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012120201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558 + ... + 45333.

Almost surely, 2^1012120208 is an apocalyptic number.

It is an amenable number.

1012120208 is an abundant number, since it is smaller than the sum of its proper divisors (1146107728).

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

1012120208 is a wasteful number, since it uses less digits than its factorization.

1012120208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51023 (or 51017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1012120208 is about 31813.8367381239. The cubic root of 1012120208 is about 1004.0238561973.

Adding to 1012120208 its reverse (8020212101), we get a palindrome (9032332309).

The spelling of 1012120208 in words is "one billion, twelve million, one hundred twenty thousand, two hundred eight".