12151206779 has 8 divisors (see below), whose sum is σ = 12180307200. Its totient is φ = 12122136936.

The previous prime is 12151206719. The next prime is 12151206791. The reversal of 12151206779 is 97760215121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12151206779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12151206709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917684 + ... + 930830.

It is an arithmetic number, because the mean of its divisors is an integer number (1522538400).

Almost surely, 2^12151206779 is an apocalyptic number.

12151206779 is a deficient number, since it is larger than the sum of its proper divisors (29100421).

12151206779 is a wasteful number, since it uses less digits than its factorization.

12151206779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 12151206779 in words is "twelve billion, one hundred fifty-one million, two hundred six thousand, seven hundred seventy-nine".