12020100008 has 32 divisors (see below), whose sum is σ = 25770648960. Its totient is φ = 5148813120.

The previous prime is 12020100007. The next prime is 12020100041. The reversal of 12020100008 is 80000102021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12020099965 and 12020100001.

It is not an unprimeable number, because it can be changed into a prime (12020100007) 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, 56093 + ... + 164883.

It is an arithmetic number, because the mean of its divisors is an integer number (805332780).

Almost surely, 2^12020100008 is an apocalyptic number.

It is an amenable number.

12020100008 is an abundant number, since it is smaller than the sum of its proper divisors (13750548952).

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

12020100008 is a wasteful number, since it uses less digits than its factorization.

12020100008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110777 (or 110773 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020100008 its reverse (80000102021), we get a palindrome (92020202029).

The spelling of 12020100008 in words is "twelve billion, twenty million, one hundred thousand, eight".