1201233112 has 16 divisors (see below), whose sum is σ = 2265333840. Its totient is φ = 597144096.

The previous prime is 1201233109. The next prime is 1201233113. The reversal of 1201233112 is 2113321021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201233113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432588 + ... + 435355.

It is an arithmetic number, because the mean of its divisors is an integer number (141583365).

Almost surely, 2^1201233112 is an apocalyptic number.

It is an amenable number.

1201233112 is a deficient number, since it is larger than the sum of its proper divisors (1064100728).

1201233112 is a wasteful number, since it uses less digits than its factorization.

1201233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868122 (or 868118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1201233112 is about 34658.8100199646. The cubic root of 1201233112 is about 1063.0224381950.

Adding to 1201233112 its reverse (2113321021), we get a palindrome (3314554133).

The spelling of 1201233112 in words is "one billion, two hundred one million, two hundred thirty-three thousand, one hundred twelve".