12191351024 has 20 divisors (see below), whose sum is σ = 23777176080. Its totient is φ = 6055305600.

The previous prime is 12191351017. The next prime is 12191351027. The reversal of 12191351024 is 42015319121.

It is a super-3 number, since 3×12191351024³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12191351027) 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, 2520629 + ... + 2525460.

It is an arithmetic number, because the mean of its divisors is an integer number (1188858804).

Almost surely, 2^12191351024 is an apocalyptic number.

It is an amenable number.

12191351024 is a deficient number, since it is larger than the sum of its proper divisors (11585825056).

12191351024 is a wasteful number, since it uses less digits than its factorization.

12191351024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046248 (or 5046242 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 12191351024 in words is "twelve billion, one hundred ninety-one million, three hundred fifty-one thousand, twenty-four".