12030532541 has 4 divisors (see below), whose sum is σ = 12097742400. Its totient is φ = 11963322684.

The previous prime is 12030532517. The next prime is 12030532589. The reversal of 12030532541 is 14523503021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12030532541 - 2¹⁸ = 12030270397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030532541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030532141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33604661 + ... + 33605018.

It is an arithmetic number, because the mean of its divisors is an integer number (3024435600).

Almost surely, 2^12030532541 is an apocalyptic number.

It is an amenable number.

12030532541 is a deficient number, since it is larger than the sum of its proper divisors (67209859).

12030532541 is an equidigital number, since it uses as much as digits as its factorization.

12030532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67209858.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12030532541 in words is "twelve billion, thirty million, five hundred thirty-two thousand, five hundred forty-one".