201230112012 has 48 divisors (see below), whose sum is σ = 482980102752. Its totient is φ = 65161912320.

The previous prime is 201230112011. The next prime is 201230112019. The reversal of 201230112012 is 210211032102.

It is a junction number, because it is equal to n+sod(n) for n = 201230111982 and 201230112000.

It is not an unprimeable number, because it can be changed into a prime (201230112011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68923 + ... + 638130.

It is an arithmetic number, because the mean of its divisors is an integer number (10062085474).

Almost surely, 2^201230112012 is an apocalyptic number.

It is an amenable number.

201230112012 is an abundant number, since it is smaller than the sum of its proper divisors (281749990740).

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

201230112012 is a wasteful number, since it uses less digits than its factorization.

201230112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707738 (or 707736 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201230112012 its reverse (210211032102), we get a palindrome (411441144114).

The spelling of 201230112012 in words is "two hundred one billion, two hundred thirty million, one hundred twelve thousand, twelve".