12021131301 has 32 divisors (see below), whose sum is σ = 16912896000. Its totient is φ = 7584228288.

The previous prime is 12021131251. The next prime is 12021131303. The reversal of 12021131301 is 10313112021.

It is a happy number.

It is not a de Polignac number, because 12021131301 - 2¹³ = 12021123109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021131303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949056 + ... + 961638.

It is an arithmetic number, because the mean of its divisors is an integer number (528528000).

Almost surely, 2^12021131301 is an apocalyptic number.

It is an amenable number.

12021131301 is a deficient number, since it is larger than the sum of its proper divisors (4891764699).

12021131301 is a wasteful number, since it uses less digits than its factorization.

12021131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12021131301 its reverse (10313112021), we get a palindrome (22334243322).

The spelling of 12021131301 in words is "twelve billion, twenty-one million, one hundred thirty-one thousand, three hundred one".