12010011020000 has 120 divisors (see below), whose sum is σ = 33767347377456. Its totient is φ = 4117718016000.

The previous prime is 12010011019999. The next prime is 12010011020003. The reversal of 12010011020000 is 2011001021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12010011020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010011020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42752897 + ... + 43032896.

Almost surely, 2^{12010011020000} is an apocalyptic number.

12010011020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010011020000 is an abundant number, since it is smaller than the sum of its proper divisors (21757336357456).

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

12010011020000 is an frugal number, since it uses more digits than its factorization.

12010011020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85785830 (or 85785807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010011020000 its reverse (2011001021), we get a palindrome (12012022021021).

The spelling of 12010011020000 in words is "twelve trillion, ten billion, eleven million, twenty thousand".