12020010100000 has 288 divisors, whose sum is σ = 34051131838080. Its totient is φ = 4091032320000.

The previous prime is 12020010099991. The next prime is 12020010100001. The reversal of 12020010100000 is 101002021.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (12020010100001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95837331 + ... + 95962669.

It is an arithmetic number, because the mean of its divisors is an integer number (118233096660).

Almost surely, 2^{12020010100000} is an apocalyptic number.

12020010100000 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 12020010100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17025565919040).

12020010100000 is an abundant number, since it is smaller than the sum of its proper divisors (22031121738080).

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

12020010100000 is an equidigital number, since it uses as much as digits as its factorization.

12020010100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125518 (or 125490 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12020010100000 its reverse (101002021), we get a palindrome (12020111102021).

The spelling of 12020010100000 in words is "twelve trillion, twenty billion, ten million, one hundred thousand".