1189313216412 has 48 divisors (see below), whose sum is σ = 2814483958272. Its totient is φ = 390807668160.

The previous prime is 1189313216411. The next prime is 1189313216467. The reversal of 1189313216412 is 2146123139811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189313216411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7498353 + ... + 7655319.

It is an arithmetic number, because the mean of its divisors is an integer number (58635082464).

Almost surely, 2^{1189313216412} is an apocalyptic number.

1189313216412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1189313216412 is an abundant number, since it is smaller than the sum of its proper divisors (1625170741860).

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

1189313216412 is a wasteful number, since it uses less digits than its factorization.

1189313216412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165938 (or 165936 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The spelling of 1189313216412 in words is "one trillion, one hundred eighty-nine billion, three hundred thirteen million, two hundred sixteen thousand, four hundred twelve".