1210100008 has 32 divisors (see below), whose sum is σ = 2447020800. Its totient is φ = 557696448.

The previous prime is 1210099993. The next prime is 1210100027. The reversal of 1210100008 is 8000010121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66685 + ... + 82867.

It is an arithmetic number, because the mean of its divisors is an integer number (76469400).

Almost surely, 2^1210100008 is an apocalyptic number.

It is an amenable number.

1210100008 is an abundant number, since it is smaller than the sum of its proper divisors (1236920792).

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

1210100008 is a wasteful number, since it uses less digits than its factorization.

1210100008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921 (or 16917 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1210100008 is about 34786.4917460787. The cubic root of 1210100008 is about 1065.6315937398.

Adding to 1210100008 its reverse (8000010121), we get a palindrome (9210110129).

The spelling of 1210100008 in words is "one billion, two hundred ten million, one hundred thousand, eight".