12011021001212 has 24 divisors (see below), whose sum is σ = 21227653540800. Its totient is φ = 5945978561600.

The previous prime is 12011021001173. The next prime is 12011021001257. The reversal of 12011021001212 is 21210012011021.

It is a congruent 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, 53234414 + ... + 53459562.

It is an arithmetic number, because the mean of its divisors is an integer number (884485564200).

Almost surely, 2^{12011021001212} is an apocalyptic number.

It is an amenable number.

12011021001212 is a deficient number, since it is larger than the sum of its proper divisors (9216632539588).

12011021001212 is a wasteful number, since it uses less digits than its factorization.

12011021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357301 (or 357299 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011021001212 its reverse (21210012011021), we get a palindrome (33221033012233).

The spelling of 12011021001212 in words is "twelve trillion, eleven billion, twenty-one million, one thousand, two hundred twelve".