12202121010000 has 100 divisors (see below), whose sum is σ = 39390073666592. Its totient is φ = 3253898928000.

The previous prime is 12202121009987. The next prime is 12202121010011. The reversal of 12202121010000 is 1012120221.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 203338684 + ... + 203398683.

Almost surely, 2^{12202121010000} is an apocalyptic number.

12202121010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202121010000 is an abundant number, since it is smaller than the sum of its proper divisors (27187952656592).

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

12202121010000 is an equidigital number, since it uses as much as digits as its factorization.

12202121010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406737398 (or 406737377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12202121010000 its reverse (1012120221), we get a palindrome (12203133130221).

The spelling of 12202121010000 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, ten thousand".