212020021111012 has 12 divisors (see below), whose sum is σ = 374708651172156. Its totient is φ = 104960406490400.

The previous prime is 212020021111007. The next prime is 212020021111049. The reversal of 212020021111012 is 210111120020212.

It can be written as a sum of positive squares in 2 ways, for example, as 151214585800356 + 60805435310656 = 12296934^2 + 7797784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262401015823 + ... + 262401016630.

It is an arithmetic number, because the mean of its divisors is an integer number (31225720931013).

Almost surely, 2^{212020021111012} is an apocalyptic number.

It is an amenable number.

212020021111012 is a deficient number, since it is larger than the sum of its proper divisors (162688630061144).

212020021111012 is a wasteful number, since it uses less digits than its factorization.

212020021111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524802032558 (or 524802032556 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212020021111012 its reverse (210111120020212), we get a palindrome (422131141131224).

The spelling of 212020021111012 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred eleven thousand, twelve".