1201213112 has 16 divisors (see below), whose sum is σ = 2457027000. Its totient is φ = 546005920.

The previous prime is 1201213109. The next prime is 1201213129. The reversal of 1201213112 is 2113121021.

It is a congruent number.

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, 6824987 + ... + 6825162.

Almost surely, 2^1201213112 is an apocalyptic number.

It is an amenable number.

1201213112 is an abundant number, since it is smaller than the sum of its proper divisors (1255813888).

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

1201213112 is a wasteful number, since it uses less digits than its factorization.

1201213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13650166 (or 13650162 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1201213112 is about 34658.5214918352. The cubic root of 1201213112 is about 1063.0165385445.

Adding to 1201213112 its reverse (2113121021), we get a palindrome (3314334133).

The spelling of 1201213112 in words is "one billion, two hundred one million, two hundred thirteen thousand, one hundred twelve".