12000011010020 has 48 divisors (see below), whose sum is σ = 27492719502528. Its totient is φ = 4363357004160.

The previous prime is 12000011010019. The next prime is 12000011010077. The reversal of 12000011010020 is 2001011000021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639454 + ... + 5166026.

It is an arithmetic number, because the mean of its divisors is an integer number (572764989636).

Almost surely, 2^{12000011010020} is an apocalyptic number.

12000011010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000011010020 is an abundant number, since it is smaller than the sum of its proper divisors (15492708492508).

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

12000011010020 is a wasteful number, since it uses less digits than its factorization.

12000011010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542060 (or 3542058 counting only the distinct ones).

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

Adding to 12000011010020 its reverse (2001011000021), we get a palindrome (14001022010041).

Subtracting from 12000011010020 its reverse (2001011000021), we obtain a palindrome (9999000009999).

The spelling of 12000011010020 in words is "twelve trillion, eleven million, ten thousand, twenty".