212321013232012 has 24 divisors (see below), whose sum is σ = 371710879981056. Its totient is φ = 106117906731408.

The previous prime is 212321013231871. The next prime is 212321013232019. The reversal of 212321013232012 is 210232310123212.

It is not an unprimeable number, because it can be changed into a prime (212321013232019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450162813 + ... + 450634219.

It is an arithmetic number, because the mean of its divisors is an integer number (15487953332544).

Almost surely, 2^{212321013232012} is an apocalyptic number.

It is an amenable number.

212321013232012 is a deficient number, since it is larger than the sum of its proper divisors (159389866749044).

212321013232012 is a wasteful number, since it uses less digits than its factorization.

212321013232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516357 (or 516355 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212321013232012 its reverse (210232310123212), we get a palindrome (422553323355224).

The spelling of 212321013232012 in words is "two hundred twelve trillion, three hundred twenty-one billion, thirteen million, two hundred thirty-two thousand, twelve".