1213188014 has 16 divisors (see below), whose sum is σ = 1842438960. Its totient is φ = 599058240.

The previous prime is 1213188013. The next prime is 1213188049. The reversal of 1213188014 is 4108813121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213188013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163877 + ... + 171119.

It is an arithmetic number, because the mean of its divisors is an integer number (115152435).

Almost surely, 2^1213188014 is an apocalyptic number.

1213188014 is a deficient number, since it is larger than the sum of its proper divisors (629250946).

1213188014 is an equidigital number, since it uses as much as digits as its factorization.

1213188014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1213188014 is about 34830.8485971847. The cubic root of 1213188014 is about 1066.5372713916.

The spelling of 1213188014 in words is "one billion, two hundred thirteen million, one hundred eighty-eight thousand, fourteen".