1102112312 has 48 divisors (see below), whose sum is σ = 2545259760. Its totient is φ = 444546816.

The previous prime is 1102112311. The next prime is 1102112327. The reversal of 1102112312 is 2132112011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76028 + ... + 89355.

It is an arithmetic number, because the mean of its divisors is an integer number (53026245).

Almost surely, 2^1102112312 is an apocalyptic number.

It is an amenable number.

1102112312 is an abundant number, since it is smaller than the sum of its proper divisors (1443147448).

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

1102112312 is a wasteful number, since it uses less digits than its factorization.

1102112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165420 (or 165409 counting only the distinct ones).

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

The square root of 1102112312 is about 33198.0769322562. The cubic root of 1102112312 is about 1032.9404498314.

Adding to 1102112312 its reverse (2132112011), we get a palindrome (3234224323).

The spelling of 1102112312 in words is "one billion, one hundred two million, one hundred twelve thousand, three hundred twelve".