120201231112 has 8 divisors (see below), whose sum is σ = 225377308350. Its totient is φ = 60100615552.

The previous prime is 120201231103. The next prime is 120201231119. The reversal of 120201231112 is 211132102021.

It can be written as a sum of positive squares in only one way, i.e., 63058240996 + 57142990116 = 251114^2 + 239046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120201231119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512576937 + ... + 7512576952.

Almost surely, 2^120201231112 is an apocalyptic number.

It is an amenable number.

120201231112 is a deficient number, since it is larger than the sum of its proper divisors (105176077238).

120201231112 is a wasteful number, since it uses less digits than its factorization.

120201231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025153895 (or 15025153891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120201231112 its reverse (211132102021), we get a palindrome (331333333133).

The spelling of 120201231112 in words is "one hundred twenty billion, two hundred one million, two hundred thirty-one thousand, one hundred twelve".