212021002220012 has 6 divisors (see below), whose sum is σ = 371036753885028. Its totient is φ = 106010501110004.

The previous prime is 212021002220009. The next prime is 212021002220033. The reversal of 212021002220012 is 210022200120212.

It is a happy number.

212021002220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502625277498 + ... + 26502625277505.

It is an arithmetic number, because the mean of its divisors is an integer number (61839458980838).

Almost surely, 2^{212021002220012} is an apocalyptic number.

It is an amenable number.

212021002220012 is a deficient number, since it is larger than the sum of its proper divisors (159015751665016).

212021002220012 is a wasteful number, since it uses less digits than its factorization.

212021002220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53005250555007 (or 53005250555005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212021002220012 its reverse (210022200120212), we get a palindrome (422043202340224).

The spelling of 212021002220012 in words is "two hundred twelve trillion, twenty-one billion, two million, two hundred twenty thousand, twelve".