201230230311112 has 32 divisors (see below), whose sum is σ = 386519516321400. Its totient is φ = 98158489228800.

The previous prime is 201230230311079. The next prime is 201230230311113. The reversal of 201230230311112 is 211113032032102.

It can be written as a sum of positive squares in 4 ways, for example, as 199252252474276 + 1977977836836 = 14115674^2 + 1406406^2 .

It is not an unprimeable number, because it can be changed into a prime (201230230311113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316314 + ... + 20520502.

Almost surely, 2^{201230230311112} is an apocalyptic number.

It is an amenable number.

201230230311112 is a deficient number, since it is larger than the sum of its proper divisors (185289286010288).

201230230311112 is a wasteful number, since it uses less digits than its factorization.

201230230311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16242097 (or 16242093 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201230230311112 its reverse (211113032032102), we get a palindrome (412343262343214).

The spelling of 201230230311112 in words is "two hundred one trillion, two hundred thirty billion, two hundred thirty million, three hundred eleven thousand, one hundred twelve".