20121130413 has 96 divisors (see below), whose sum is σ = 31345367040. Its totient is φ = 12418560000.

The previous prime is 20121130361. The next prime is 20121130423. The reversal of 20121130413 is 31403112102.

20121130413 is a `hidden beast` number, since 2 + 0 + 121 + 130 + 413 = 666.

It is not a de Polignac number, because 20121130413 - 2⁸ = 20121130157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 178063045 + ... + 178063157.

It is an arithmetic number, because the mean of its divisors is an integer number (326514240).

Almost surely, 2^20121130413 is an apocalyptic number.

It is an amenable number.

20121130413 is a deficient number, since it is larger than the sum of its proper divisors (11224236627).

20121130413 is a wasteful number, since it uses less digits than its factorization.

20121130413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20121130413 its reverse (31403112102), we get a palindrome (51524242515).

The spelling of 20121130413 in words is "twenty billion, one hundred twenty-one million, one hundred thirty thousand, four hundred thirteen".