12120212110000 has 100 divisors (see below), whose sum is σ = 29347693500664. Its totient is φ = 4847515200000.

The previous prime is 12120212109997. The next prime is 12120212110049. The reversal of 12120212110000 is 1121202121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90843340 + ... + 90976660.

Almost surely, 2^{12120212110000} is an apocalyptic number.

12120212110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120212110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14673846750332).

12120212110000 is an abundant number, since it is smaller than the sum of its proper divisors (17227481390664).

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

12120212110000 is an equidigital number, since it uses as much as digits as its factorization.

12120212110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142440 (or 142419 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120212110000 its reverse (1121202121), we get a palindrome (12121333312121).

It can be divided in two parts, 121202121 and 10000, that added together give a palindrome (121212121).

The spelling of 12120212110000 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, one hundred ten thousand".