12030132221 has 8 divisors (see below), whose sum is σ = 12602032704. Its totient is φ = 11462302720.

The previous prime is 12030132209. The next prime is 12030132251. The reversal of 12030132221 is 12223103021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030132221 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 12030132221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030132251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011695 + ... + 1023516.

It is an arithmetic number, because the mean of its divisors is an integer number (1575254088).

Almost surely, 2^12030132221 is an apocalyptic number.

It is an amenable number.

12030132221 is a deficient number, since it is larger than the sum of its proper divisors (571900483).

12030132221 is a wasteful number, since it uses less digits than its factorization.

12030132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035491.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12030132221 its reverse (12223103021), we get a palindrome (24253235242).

The spelling of 12030132221 in words is "twelve billion, thirty million, one hundred thirty-two thousand, two hundred twenty-one".