12021022202 has 16 divisors (see below), whose sum is σ = 20868322560. Its totient is φ = 5086652688.

The previous prime is 12021022127. The next prime is 12021022207. The reversal of 12021022202 is 20222012021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12021022207) 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, 5433353 + ... + 5435564.

It is an arithmetic number, because the mean of its divisors is an integer number (1304270160).

Almost surely, 2^12021022202 is an apocalyptic number.

12021022202 is a deficient number, since it is larger than the sum of its proper divisors (8847300358).

12021022202 is a wasteful number, since it uses less digits than its factorization.

12021022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869005.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12021022202 its reverse (20222012021), we get a palindrome (32243034223).

The spelling of 12021022202 in words is "twelve billion, twenty-one million, twenty-two thousand, two hundred two".