1012100208 has 80 divisors (see below), whose sum is σ = 3145393920. Its totient is φ = 273950208.

The previous prime is 1012100197. The next prime is 1012100213. The reversal of 1012100208 is 8020012101.

1012100208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72885 + ... + 85652.

It is an arithmetic number, because the mean of its divisors is an integer number (39317424).

Almost surely, 2^1012100208 is an apocalyptic number.

It is an amenable number.

1012100208 is an abundant number, since it is smaller than the sum of its proper divisors (2133293712).

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

1012100208 is a wasteful number, since it uses less digits than its factorization.

1012100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158574 (or 158568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1012100208 is about 31813.5224079321. The cubic root of 1012100208 is about 1004.0172428164.

Adding to 1012100208 its reverse (8020012101), we get a palindrome (9032112309).

The spelling of 1012100208 in words is "one billion, twelve million, one hundred thousand, two hundred eight".