124201111112 has 16 divisors (see below), whose sum is σ = 250790705340. Its totient is φ = 57323589696.

The previous prime is 124201111091. The next prime is 124201111127. The reversal of 124201111112 is 211111102421.

It can be written as a sum of positive squares in 2 ways, for example, as 123759018436 + 442092676 = 351794^2 + 21026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597120623 + ... + 597120830.

Almost surely, 2^124201111112 is an apocalyptic number.

It is an amenable number.

124201111112 is an abundant number, since it is smaller than the sum of its proper divisors (126589594228).

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

124201111112 is a wasteful number, since it uses less digits than its factorization.

124201111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194241472 (or 1194241468 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 124201111112 its reverse (211111102421), we get a palindrome (335312213533).

The spelling of 124201111112 in words is "one hundred twenty-four billion, two hundred one million, one hundred eleven thousand, one hundred twelve".