212201312012 has 12 divisors (see below), whose sum is σ = 371438747400. Its totient is φ = 106075955616.

The previous prime is 212201311969. The next prime is 212201312027. The reversal of 212201312012 is 210213102212.

It is a super-2 number, since 2×212201312012² (a number of 23 digits) contains 22 as substring.

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, 6155762 + ... + 6190137.

It is an arithmetic number, because the mean of its divisors is an integer number (30953228950).

Almost surely, 2^212201312012 is an apocalyptic number.

It is an amenable number.

212201312012 is a deficient number, since it is larger than the sum of its proper divisors (159237435388).

212201312012 is a wasteful number, since it uses less digits than its factorization.

212201312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350200 (or 12350198 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212201312012 its reverse (210213102212), we get a palindrome (422414414224).

The spelling of 212201312012 in words is "two hundred twelve billion, two hundred one million, three hundred twelve thousand, twelve".