20121130983 has 8 divisors (see below), whose sum is σ = 26851447408. Its totient is φ = 13402450944.

The previous prime is 20121130949. The next prime is 20121130999. The reversal of 20121130983 is 38903112102.

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

It is not a de Polignac number, because 20121130983 - 2⁶ = 20121130919 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 20121130983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121120983) 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 7 ways as a sum of consecutive naturals, for example, 2905060 + ... + 2911977.

It is an arithmetic number, because the mean of its divisors is an integer number (3356430926).

Almost surely, 2^20121130983 is an apocalyptic number.

20121130983 is a deficient number, since it is larger than the sum of its proper divisors (6730316425).

20121130983 is a wasteful number, since it uses less digits than its factorization.

20121130983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818193.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 20121130983 in words is "twenty billion, one hundred twenty-one million, one hundred thirty thousand, nine hundred eighty-three".