20210130012 has 24 divisors (see below), whose sum is σ = 47168730000. Its totient is φ = 6735030016.

The previous prime is 20210129993. The next prime is 20210130013. The reversal of 20210130012 is 21003101202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20210130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210130013) 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 7 ways as a sum of consecutive naturals, for example, 159387 + ... + 256562.

It is an arithmetic number, because the mean of its divisors is an integer number (1965363750).

Almost surely, 2^20210130012 is an apocalyptic number.

It is an amenable number.

20210130012 is an abundant number, since it is smaller than the sum of its proper divisors (26958599988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210130012 is a wasteful number, since it uses less digits than its factorization.

20210130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420005 (or 420003 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20210130012 its reverse (21003101202), we get a palindrome (41213231214).

The spelling of 20210130012 in words is "twenty billion, two hundred ten million, one hundred thirty thousand, twelve".