12021102323202 has 32 divisors (see below), whose sum is σ = 28922952960000. Its totient is φ = 3253832207568.

The previous prime is 12021102323143. The next prime is 12021102323231. The reversal of 12021102323202 is 20232320112021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7532018202 + ... + 7532019797.

It is an arithmetic number, because the mean of its divisors is an integer number (903842280000).

Almost surely, 2^{12021102323202} is an apocalyptic number.

12021102323202 is an abundant number, since it is smaller than the sum of its proper divisors (16901850636798).

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

12021102323202 is a wasteful number, since it uses less digits than its factorization.

12021102323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15064038030.

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

Adding to 12021102323202 its reverse (20232320112021), we get a palindrome (32253422435223).

The spelling of 12021102323202 in words is "twelve trillion, twenty-one billion, one hundred two million, three hundred twenty-three thousand, two hundred two".