231101200212 has 24 divisors (see below), whose sum is σ = 549410402016. Its totient is φ = 75580266528.

The previous prime is 231101200189. The next prime is 231101200249. The reversal of 231101200212 is 212002101132.

It is a junction number, because it is equal to n+sod(n) for n = 231101200191 and 231101200200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181682698 + ... + 181683969.

It is an arithmetic number, because the mean of its divisors is an integer number (22892100084).

Almost surely, 2^231101200212 is an apocalyptic number.

It is an amenable number.

231101200212 is an abundant number, since it is smaller than the sum of its proper divisors (318309201804).

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

231101200212 is a wasteful number, since it uses less digits than its factorization.

231101200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363366727 (or 363366725 counting only the distinct ones).

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

Adding to 231101200212 its reverse (212002101132), we get a palindrome (443103301344).

The spelling of 231101200212 in words is "two hundred thirty-one billion, one hundred one million, two hundred thousand, two hundred twelve".