2212100012 has 12 divisors (see below), whose sum is σ = 3873023616. Its totient is φ = 1105521840.

The previous prime is 2212099991. The next prime is 2212100021. The reversal of 2212100012 is 2100012122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2212099966 and 2212100002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122543 + ... + 139430.

It is an arithmetic number, because the mean of its divisors is an integer number (322751968).

Almost surely, 2^2212100012 is an apocalyptic number.

It is an amenable number.

2212100012 is a deficient number, since it is larger than the sum of its proper divisors (1660923604).

2212100012 is a wasteful number, since it uses less digits than its factorization.

2212100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264088 (or 264086 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2212100012 is about 47032.9672889134. The cubic root of 2212100012 is about 1302.9715087360.

Adding to 2212100012 its reverse (2100012122), we get a palindrome (4312112134).

The spelling of 2212100012 in words is "two billion, two hundred twelve million, one hundred thousand, twelve".