1213934112 has 72 divisors (see below), whose sum is σ = 3602237184. Its totient is φ = 387049344.

The previous prime is 1213934107. The next prime is 1213934129. The reversal of 1213934112 is 2114393121.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85008 + ... + 98255.

It is an arithmetic number, because the mean of its divisors is an integer number (50031072).

Almost surely, 2^1213934112 is an apocalyptic number.

1213934112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213934112 is an abundant number, since it is smaller than the sum of its proper divisors (2388303072).

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

1213934112 is a wasteful number, since it uses less digits than its factorization.

1213934112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183302 (or 183291 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1213934112 is about 34841.5572556681. The cubic root of 1213934112 is about 1066.7558630272.

The spelling of 1213934112 in words is "one billion, two hundred thirteen million, nine hundred thirty-four thousand, one hundred twelve".