212212011012 has 24 divisors (see below), whose sum is σ = 495376992096. Its totient is φ = 70706532288.

The previous prime is 212212011001. The next prime is 212212011013. The reversal of 212212011012 is 210110212212.

It is a junction number, because it is equal to n+sod(n) for n = 212212010982 and 212212011000.

It is not an unprimeable number, because it can be changed into a prime (212212011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821878 + ... + 3877005.

It is an arithmetic number, because the mean of its divisors is an integer number (20640708004).

Almost surely, 2^212212011012 is an apocalyptic number.

It is an amenable number.

212212011012 is an abundant number, since it is smaller than the sum of its proper divisors (283164981084).

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

212212011012 is a wasteful number, since it uses less digits than its factorization.

212212011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701187 (or 7701185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212212011012 its reverse (210110212212), we get a palindrome (422322223224).

The spelling of 212212011012 in words is "two hundred twelve billion, two hundred twelve million, eleven thousand, twelve".