12030310209991 has 16 divisors (see below), whose sum is σ = 12124489547520. Its totient is φ = 11936540044800.

The previous prime is 12030310209899. The next prime is 12030310210031. The reversal of 12030310209991 is 19990201303021.

It is a cyclic number.

It is not a de Polignac number, because 12030310209991 - 2⁹ = 12030310209479 is a prime.

It is a super-2 number, since 2×12030310209991² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030310209091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108414645 + ... + 108525553.

It is an arithmetic number, because the mean of its divisors is an integer number (757780596720).

Almost surely, 2^{12030310209991} is an apocalyptic number.

12030310209991 is a deficient number, since it is larger than the sum of its proper divisors (94179337529).

12030310209991 is a wasteful number, since it uses less digits than its factorization.

12030310209991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112746.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 12030310209991 in words is "twelve trillion, thirty billion, three hundred ten million, two hundred nine thousand, nine hundred ninety-one".