2100220012 has 12 divisors (see below), whose sum is σ = 4009511016.
Its totient is φ = 954645440.
The previous prime is 2100220007. The next prime is 2100220027.
2100220012 is nontrivially palindromic in base 10.
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 3 ways as a sum of consecutive naturals, for example, 23866093 + ... + 23866180.
It is an arithmetic number, because the mean of its divisors is an integer number (334125918).
Almost surely, 22100220012 is an apocalyptic number.
2100220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2100220012 is a deficient number, since it is larger than the sum of its proper divisors (1909291004).
2100220012 is a wasteful number, since it uses less digits than its factorization.
2100220012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47732288 (or 47732286 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 2100220012 is about 45828.1574144106.
The cubic root of 2100220012 is about 1280.6238845025.
It can be divided in two parts, 21002 and 20012, that multiplied together give a palindrome (420292024).
The spelling of 2100220012 in words is "two billion, one hundred million, two hundred twenty thousand, twelve".