20121130948 has 12 divisors (see below), whose sum is σ = 37065241360. Its totient is φ = 9531061992.

The previous prime is 20121130921. The next prime is 20121130949. The reversal of 20121130948 is 84903112102.

It is not an unprimeable number, because it can be changed into a prime (20121130949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132375786 + ... + 132375937.

Almost surely, 2^20121130948 is an apocalyptic number.

It is an amenable number.

20121130948 is a deficient number, since it is larger than the sum of its proper divisors (16944110412).

20121130948 is a wasteful number, since it uses less digits than its factorization.

20121130948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264751746 (or 264751744 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 20121130948 in words is "twenty billion, one hundred twenty-one million, one hundred thirty thousand, nine hundred forty-eight".