12012302302221 has 256 divisors, whose sum is σ = 19419557068800. Its totient is φ = 6539603558400.

The previous prime is 12012302302123. The next prime is 12012302302237. The reversal of 12012302302221 is 12220320321021.

12012302302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012302302221 - 2⁹ = 12012302301709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012302302921) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 11050875540 + ... + 11050876626.

It is an arithmetic number, because the mean of its divisors is an integer number (75857644800).

Almost surely, 2^{12012302302221} is an apocalyptic number.

It is an amenable number.

12012302302221 is a deficient number, since it is larger than the sum of its proper divisors (7407254766579).

12012302302221 is a wasteful number, since it uses less digits than its factorization.

12012302302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12012302302221 its reverse (12220320321021), we get a palindrome (24232622623242).

The spelling of 12012302302221 in words is "twelve trillion, twelve billion, three hundred two million, three hundred two thousand, two hundred twenty-one".