12001111023330 has 144 divisors (see below), whose sum is σ = 36935651221560. Its totient is φ = 2685563274240.

The previous prime is 12001111023311. The next prime is 12001111023409. The reversal of 12001111023330 is 3332011110021.

12001111023330 is a `hidden beast` number, since 1 + 200 + 1 + 1 + 110 + 23 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6381267097689 + 5619843925641 = 2526117^2 + 2370621^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42244215 + ... + 42527354.

Almost surely, 2^{12001111023330} is an apocalyptic number.

12001111023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001111023330 is an abundant number, since it is smaller than the sum of its proper divisors (24934540198230).

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

12001111023330 is a wasteful number, since it uses less digits than its factorization.

12001111023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84771617 (or 84771603 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12001111023330 its reverse (3332011110021), we get a palindrome (15333122133351).

The spelling of 12001111023330 in words is "twelve trillion, one billion, one hundred eleven million, twenty-three thousand, three hundred thirty".