12030133121 has 16 divisors (see below), whose sum is σ = 12669909840. Its totient is φ = 11407518720.

The previous prime is 12030133109. The next prime is 12030133211. The reversal of 12030133121 is 12133103021.

It can be written as a sum of positive squares in 8 ways, for example, as 490002496 + 11540130625 = 22136^2 + 107425^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030133121 - 2¹⁴ = 12030116737 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 12030133121.

It is not an unprimeable number, because it can be changed into a prime (12030133021) 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, 1660535 + ... + 1667763.

It is an arithmetic number, because the mean of its divisors is an integer number (791869365).

Almost surely, 2^12030133121 is an apocalyptic number.

It is an amenable number.

12030133121 is a deficient number, since it is larger than the sum of its proper divisors (639776719).

12030133121 is a wasteful number, since it uses less digits than its factorization.

12030133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12030133121 its reverse (12133103021), we get a palindrome (24163236142).

The spelling of 12030133121 in words is "twelve billion, thirty million, one hundred thirty-three thousand, one hundred twenty-one".