12660277506126 has 16 divisors (see below), whose sum is σ = 25909405129344. Its totient is φ = 4121950815864.

The previous prime is 12660277506119. The next prime is 12660277506133. The reversal of 12660277506126 is 62160577206621.

It is an interprime number because it is at equal distance from previous prime (12660277506119) and next prime (12660277506133).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24535421266 + ... + 24535421781.

It is an arithmetic number, because the mean of its divisors is an integer number (1619337820584).

Almost surely, 2^{12660277506126} is an apocalyptic number.

12660277506126 is an abundant number, since it is smaller than the sum of its proper divisors (13249127623218).

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

12660277506126 is a wasteful number, since it uses less digits than its factorization.

12660277506126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49070843095.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 12660277506126 in words is "twelve trillion, six hundred sixty billion, two hundred seventy-seven million, five hundred six thousand, one hundred twenty-six".