12151188742 has 64 divisors (see below), whose sum is σ = 24066699264. Its totient is φ = 4460718240.

The previous prime is 12151188691. The next prime is 12151188853. The reversal of 12151188742 is 24788115121.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12151188695 and 12151188704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211713 + ... + 262915.

It is an arithmetic number, because the mean of its divisors is an integer number (376042176).

Almost surely, 2^12151188742 is an apocalyptic number.

12151188742 is a deficient number, since it is larger than the sum of its proper divisors (11915510522).

12151188742 is a wasteful number, since it uses less digits than its factorization.

12151188742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51313.

The product of its digits is 35840, while the sum is 40.

The spelling of 12151188742 in words is "twelve billion, one hundred fifty-one million, one hundred eighty-eight thousand, seven hundred forty-two".