12021203022 has 32 divisors (see below), whose sum is σ = 24771346080. Its totient is φ = 3887377920.

The previous prime is 12021203021. The next prime is 12021203039. The reversal of 12021203022 is 22030212021.

It is a happy number.

It is a super-2 number, since 2×12021203022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021202992 and 12021203010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021203021) 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, 198247 + ... + 251682.

It is an arithmetic number, because the mean of its divisors is an integer number (774104565).

Almost surely, 2^12021203022 is an apocalyptic number.

12021203022 is an abundant number, since it is smaller than the sum of its proper divisors (12750143058).

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

12021203022 is a wasteful number, since it uses less digits than its factorization.

12021203022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450068.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12021203022 its reverse (22030212021), we get a palindrome (34051415043).

The spelling of 12021203022 in words is "twelve billion, twenty-one million, two hundred three thousand, twenty-two".