12001010000 has 200 divisors, whose sum is σ = 33432098304. Its totient is φ = 4086720000.

The previous prime is 12001009963. The next prime is 12001010029. The reversal of 12001010000 is 1010021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12109505 + ... + 12110495.

Almost surely, 2^12001010000 is an apocalyptic number.

12001010000 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 12001010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16716049152).

12001010000 is an abundant number, since it is smaller than the sum of its proper divisors (21431088304).

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

12001010000 is an equidigital number, since it uses as much as digits as its factorization.

12001010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 12001010000 its reverse (1010021), we get a palindrome (12002020021).

The spelling of 12001010000 in words is "twelve billion, one million, ten thousand".