12021110010 has 96 divisors (see below), whose sum is σ = 38467578240. Its totient is φ = 2536320384.

The previous prime is 12021109987. The next prime is 12021110027. The reversal of 12021110010 is 1001112021.

It is a happy number.

12021110010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12021109974 and 12021110001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 725700 + ... + 742079.

It is an arithmetic number, because the mean of its divisors is an integer number (400703940).

Almost surely, 2^12021110010 is an apocalyptic number.

12021110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021110010 is an abundant number, since it is smaller than the sum of its proper divisors (26446468230).

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

12021110010 is a wasteful number, since it uses less digits than its factorization.

12021110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467812 (or 1467809 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12021110010 its reverse (1001112021), we get a palindrome (13022222031).

The spelling of 12021110010 in words is "twelve billion, twenty-one million, one hundred ten thousand, ten".