12011022212021 has 8 divisors (see below), whose sum is σ = 13819009257600. Its totient is φ = 10226066848848.

The previous prime is 12011022212003. The next prime is 12011022212053. The reversal of 12011022212021 is 12021222011021.

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

It is a cyclic number.

It is not a de Polignac number, because 12011022212021 - 2⁶ = 12011022211957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011022217021) 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, 5757919481 + ... + 5757921566.

It is an arithmetic number, because the mean of its divisors is an integer number (1727376157200).

Almost surely, 2^{12011022212021} is an apocalyptic number.

It is an amenable number.

12011022212021 is a deficient number, since it is larger than the sum of its proper divisors (1807987045579).

12011022212021 is a wasteful number, since it uses less digits than its factorization.

12011022212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515841203.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12011022212021 its reverse (12021222011021), we get a palindrome (24032244223042).

The spelling of 12011022212021 in words is "twelve trillion, eleven billion, twenty-two million, two hundred twelve thousand, twenty-one".