12202521620 has 48 divisors (see below), whose sum is σ = 27180014400. Its totient is φ = 4588796160.

The previous prime is 12202521619. The next prime is 12202521623. The reversal of 12202521620 is 2612520221.

12202521620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202521623) 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 15 ways as a sum of consecutive naturals, for example, 72785 + ... + 172344.

It is an arithmetic number, because the mean of its divisors is an integer number (566250300).

Almost surely, 2^12202521620 is an apocalyptic number.

12202521620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202521620 is an abundant number, since it is smaller than the sum of its proper divisors (14977492780).

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

12202521620 is a wasteful number, since it uses less digits than its factorization.

12202521620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245288 (or 245286 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 12202521620 in words is "twelve billion, two hundred two million, five hundred twenty-one thousand, six hundred twenty".