12202121320 has 32 divisors (see below), whose sum is σ = 27623221920. Its totient is φ = 4850902080.

The previous prime is 12202121317. The next prime is 12202121363. The reversal of 12202121320 is 2312120221.

It is a happy number.

12202121320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12202121294 and 12202121303.

It is an unprimeable number.

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, 929226 + ... + 942265.

It is an arithmetic number, because the mean of its divisors is an integer number (863225685).

Almost surely, 2^12202121320 is an apocalyptic number.

12202121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202121320 is an abundant number, since it is smaller than the sum of its proper divisors (15421100600).

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

12202121320 is a wasteful number, since it uses less digits than its factorization.

12202121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871665 (or 1871661 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202121320 its reverse (2312120221), we get a palindrome (14514241541).

It can be divided in two parts, 122021 and 21320, that added together give a palindrome (143341).

The spelling of 12202121320 in words is "twelve billion, two hundred two million, one hundred twenty-one thousand, three hundred twenty".