12030312032101 has 24 divisors (see below), whose sum is σ = 14738155770240. Its totient is φ = 9751561649280.

The previous prime is 12030312032087. The next prime is 12030312032119. The reversal of 12030312032101 is 10123021303021.

It is not a de Polignac number, because 12030312032101 - 2¹¹ = 12030312030053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030312032131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153868141 + ... + 153946306.

It is an arithmetic number, because the mean of its divisors is an integer number (614089823760).

Almost surely, 2^{12030312032101} is an apocalyptic number.

12030312032101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12030312032101 is a deficient number, since it is larger than the sum of its proper divisors (2707843738139).

12030312032101 is a wasteful number, since it uses less digits than its factorization.

12030312032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307814505 (or 307814494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12030312032101 its reverse (10123021303021), we get a palindrome (22153333335122).

The spelling of 12030312032101 in words is "twelve trillion, thirty billion, three hundred twelve million, thirty-two thousand, one hundred one".