212021120012 has 12 divisors (see below), whose sum is σ = 399578264736. Its totient is φ = 97855901520.

The previous prime is 212021119997. The next prime is 212021120021. The reversal of 212021120012 is 210021120212.

It is a super-2 number, since 2×212021120012² (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, 2038664564 + ... + 2038664667.

It is an arithmetic number, because the mean of its divisors is an integer number (33298188728).

Almost surely, 2^212021120012 is an apocalyptic number.

It is an amenable number.

212021120012 is a deficient number, since it is larger than the sum of its proper divisors (187557144724).

212021120012 is a wasteful number, since it uses less digits than its factorization.

212021120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077329248 (or 4077329246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021120012 its reverse (210021120212), we get a palindrome (422042240224).

The spelling of 212021120012 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, twelve".