1401312112 has 20 divisors (see below), whose sum is σ = 2749412320. Its totient is φ = 691786368.

The previous prime is 1401312083. The next prime is 1401312113. The reversal of 1401312112 is 2112131041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401312113) 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, 553053 + ... + 555580.

It is an arithmetic number, because the mean of its divisors is an integer number (137470616).

Almost surely, 2^1401312112 is an apocalyptic number.

It is an amenable number.

1401312112 is a deficient number, since it is larger than the sum of its proper divisors (1348100208).

1401312112 is a wasteful number, since it uses less digits than its factorization.

1401312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108720 (or 1108714 counting only the distinct ones).

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

The square root of 1401312112 is about 37434.1035955184. The cubic root of 1401312112 is about 1119.0383199047.

Adding to 1401312112 its reverse (2112131041), we get a palindrome (3513443153).

The spelling of 1401312112 in words is "one billion, four hundred one million, three hundred twelve thousand, one hundred twelve".