12101112012330 has 64 divisors (see below), whose sum is σ = 35203234953600. Its totient is φ = 2933602911360.

The previous prime is 12101112012329. The next prime is 12101112012337. The reversal of 12101112012330 is 3321021110121.

12101112012330 is a `hidden beast` number, since 1 + 21 + 0 + 111 + 201 + 2 + 330 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12101112012337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2037221275 + ... + 2037227214.

It is an arithmetic number, because the mean of its divisors is an integer number (550050546150).

Almost surely, 2^{12101112012330} is an apocalyptic number.

12101112012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101112012330 is an abundant number, since it is smaller than the sum of its proper divisors (23102122941270).

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

12101112012330 is a wasteful number, since it uses less digits than its factorization.

12101112012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074448516 (or 4074448510 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12101112012330 its reverse (3321021110121), we get a palindrome (15422133122451).

The spelling of 12101112012330 in words is "twelve trillion, one hundred one billion, one hundred twelve million, twelve thousand, three hundred thirty".