2212120012 has 6 divisors (see below), whose sum is σ = 3871210028. Its totient is φ = 1106060004.

The previous prime is 2212119983. The next prime is 2212120069. The reversal of 2212120012 is 2100212122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2212119974 and 2212120001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276514998 + ... + 276515005.

Almost surely, 2^2212120012 is an apocalyptic number.

It is an amenable number.

2212120012 is a deficient number, since it is larger than the sum of its proper divisors (1659090016).

2212120012 is a wasteful number, since it uses less digits than its factorization.

2212120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553030007 (or 553030005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2212120012 is about 47033.1799052541. The cubic root of 2212120012 is about 1302.9754355253.

Adding to 2212120012 its reverse (2100212122), we get a palindrome (4312332134).

The spelling of 2212120012 in words is "two billion, two hundred twelve million, one hundred twenty thousand, twelve".