201130020312 has 128 divisors (see below), whose sum is σ = 547426978560. Its totient is φ = 61211082240.

The previous prime is 201130020283. The next prime is 201130020313. The reversal of 201130020312 is 213020031102.

It is a junction number, because it is equal to n+sod(n) for n = 201130020291 and 201130020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130020313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22796862 + ... + 22805682.

It is an arithmetic number, because the mean of its divisors is an integer number (4276773270).

Almost surely, 2^201130020312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201130020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273713489280).

201130020312 is an abundant number, since it is smaller than the sum of its proper divisors (346296958248).

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

201130020312 is a wasteful number, since it uses less digits than its factorization.

201130020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9633 (or 9629 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201130020312 its reverse (213020031102), we get a palindrome (414150051414).

The spelling of 201130020312 in words is "two hundred one billion, one hundred thirty million, twenty thousand, three hundred twelve".