266057051022012 has 48 divisors (see below), whose sum is σ = 620921698578720. Its totient is φ = 88668268708608.

The previous prime is 266057051021989. The next prime is 266057051022013. The reversal of 266057051022012 is 210220150750662.

It is a super-2 number, since 2×266057051022012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266057051022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524854558 + ... + 2524959930.

It is an arithmetic number, because the mean of its divisors is an integer number (12935868720390).

Almost surely, 2^{266057051022012} is an apocalyptic number.

It is an amenable number.

266057051022012 is an abundant number, since it is smaller than the sum of its proper divisors (354864647556708).

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

266057051022012 is a wasteful number, since it uses less digits than its factorization.

266057051022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144702 (or 144700 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 266057051022012 in words is "two hundred sixty-six trillion, fifty-seven billion, fifty-one million, twenty-two thousand, twelve".