12021211201011 has 8 divisors (see below), whose sum is σ = 16871875369920. Its totient is φ = 7592343916392.

The previous prime is 12021211201001. The next prime is 12021211201031. The reversal of 12021211201011 is 11010211212021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021211201011 - 2¹¹ = 12021211198963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021211201001) 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, 105449221005 + ... + 105449221118.

It is an arithmetic number, because the mean of its divisors is an integer number (2108984421240).

Almost surely, 2^{12021211201011} is an apocalyptic number.

12021211201011 is a deficient number, since it is larger than the sum of its proper divisors (4850664168909).

12021211201011 is a wasteful number, since it uses less digits than its factorization.

12021211201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210898442145.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12021211201011 its reverse (11010211212021), we get a palindrome (23031422413032).

The spelling of 12021211201011 in words is "twelve trillion, twenty-one billion, two hundred eleven million, two hundred one thousand, eleven".