12690542274 has 16 divisors (see below), whose sum is σ = 26256294720. Its totient is φ = 4084312400.

The previous prime is 12690542269. The next prime is 12690542299. The reversal of 12690542274 is 47224509621.

It is a happy number.

12690542274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12690542274² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36466902 + ... + 36467249.

It is an arithmetic number, because the mean of its divisors is an integer number (1641018420).

Almost surely, 2^12690542274 is an apocalyptic number.

12690542274 is an abundant number, since it is smaller than the sum of its proper divisors (13565752446).

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

12690542274 is a wasteful number, since it uses less digits than its factorization.

12690542274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72934185.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 12690542274 in words is "twelve billion, six hundred ninety million, five hundred forty-two thousand, two hundred seventy-four".