12021102020202 has 32 divisors (see below), whose sum is σ = 27368200650240. Its totient is φ = 3484377396720.

The previous prime is 12021102020201. The next prime is 12021102020231. The reversal of 12021102020202 is 20202020112021.

It is a super-2 number, since 2×12021102020202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021102020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3959518252 + ... + 3959521287.

It is an arithmetic number, because the mean of its divisors is an integer number (855256270320).

Almost surely, 2^{12021102020202} is an apocalyptic number.

12021102020202 is an abundant number, since it is smaller than the sum of its proper divisors (15347098630038).

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

12021102020202 is a wasteful number, since it uses less digits than its factorization.

12021102020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919039578.

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

Adding to 12021102020202 its reverse (20202020112021), we get a palindrome (32223122132223).

The spelling of 12021102020202 in words is "twelve trillion, twenty-one billion, one hundred two million, twenty thousand, two hundred two".