12202021021020 has 24 divisors (see below), whose sum is σ = 34165658859024. Its totient is φ = 3253872272256.

The previous prime is 12202021021007. The next prime is 12202021021027. The reversal of 12202021021020 is 2012012020221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202021021027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101683508449 + ... + 101683508568.

It is an arithmetic number, because the mean of its divisors is an integer number (1423569119126).

Almost surely, 2^{12202021021020} is an apocalyptic number.

12202021021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202021021020 is an abundant number, since it is smaller than the sum of its proper divisors (21963637838004).

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

12202021021020 is a wasteful number, since it uses less digits than its factorization.

12202021021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203367017029 (or 203367017027 counting only the distinct ones).

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

Adding to 12202021021020 its reverse (2012012020221), we get a palindrome (14214033041241).

The spelling of 12202021021020 in words is "twelve trillion, two hundred two billion, twenty-one million, twenty-one thousand, twenty".