12111210020212 has 18 divisors (see below), whose sum is σ = 22514697522422. Its totient is φ = 5699392950144.

The previous prime is 12111210020167. The next prime is 12111210020233. The reversal of 12111210020212 is 21202001211121.

It can be written as a sum of positive squares in 3 ways, for example, as 8149860201616 + 3961349818596 = 2854796^2 + 1990314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5238411483 + ... + 5238413794.

Almost surely, 2^{12111210020212} is an apocalyptic number.

It is an amenable number.

12111210020212 is a deficient number, since it is larger than the sum of its proper divisors (10403487502210).

12111210020212 is a wasteful number, since it uses less digits than its factorization.

12111210020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476825315 (or 10476825296 counting only the distinct ones).

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

Adding to 12111210020212 its reverse (21202001211121), we get a palindrome (33313211231333).

The spelling of 12111210020212 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, twenty thousand, two hundred twelve".