12021211130 has 8 divisors (see below), whose sum is σ = 21638180052. Its totient is φ = 4808484448.

The previous prime is 12021211129. The next prime is 12021211133. The reversal of 12021211130 is 3111212021.

It can be written as a sum of positive squares in 2 ways, for example, as 10753067809 + 1268143321 = 103697^2 + 35611^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12021211133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601060547 + ... + 601060566.

Almost surely, 2^12021211130 is an apocalyptic number.

12021211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021211130 is a deficient number, since it is larger than the sum of its proper divisors (9616968922).

12021211130 is a wasteful number, since it uses less digits than its factorization.

12021211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202121120.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12021211130 its reverse (3111212021), we get a palindrome (15132423151).

The spelling of 12021211130 in words is "twelve billion, twenty-one million, two hundred eleven thousand, one hundred thirty".