12021020002122 has 64 divisors (see below), whose sum is σ = 24127387764480. Its totient is φ = 3992818765824.

The previous prime is 12021020002099. The next prime is 12021020002139. The reversal of 12021020002122 is 22120002012021.

12021020002122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5646321154 + ... + 5646323282.

It is an arithmetic number, because the mean of its divisors is an integer number (376990433820).

Almost surely, 2^{12021020002122} is an apocalyptic number.

12021020002122 is an abundant number, since it is smaller than the sum of its proper divisors (12106367762358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021020002122 is a wasteful number, since it uses less digits than its factorization.

12021020002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12021020002122 its reverse (22120002012021), we get a palindrome (34141022014143).

The spelling of 12021020002122 in words is "twelve trillion, twenty-one billion, twenty million, two thousand, one hundred twenty-two".