212120022011002 has 16 divisors (see below), whose sum is σ = 364184451032832. Its totient is φ = 90771048965520.

The previous prime is 212120022010997. The next prime is 212120022011011. The reversal of 212120022011002 is 200110220021212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11460981778 + ... + 11461000285.

It is an arithmetic number, because the mean of its divisors is an integer number (22761528189552).

Almost surely, 2^{212120022011002} is an apocalyptic number.

212120022011002 is a deficient number, since it is larger than the sum of its proper divisors (152064429021830).

212120022011002 is a wasteful number, since it uses less digits than its factorization.

212120022011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22921982733.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212120022011002 its reverse (200110220021212), we get a palindrome (412230242032214).

The spelling of 212120022011002 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-two million, eleven thousand, two".