266012331620123 has 8 divisors (see below), whose sum is σ = 302812456548096. Its totient is φ = 231315070973800.

The previous prime is 266012331620081. The next prime is 266012331620129. The reversal of 266012331620123 is 321026133210662.

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

It is not a de Polignac number, because 266012331620123 - 2²⁸ = 266012063184667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266012331620129) 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, 525716070143 + ... + 525716070648.

It is an arithmetic number, because the mean of its divisors is an integer number (37851557068512).

Almost surely, 2^{266012331620123} is an apocalyptic number.

266012331620123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

266012331620123 is a deficient number, since it is larger than the sum of its proper divisors (36800124927973).

266012331620123 is a wasteful number, since it uses less digits than its factorization.

266012331620123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051432140825.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 266012331620123 its reverse (321026133210662), we get a palindrome (587038464830785).

The spelling of 266012331620123 in words is "two hundred sixty-six trillion, twelve billion, three hundred thirty-one million, six hundred twenty thousand, one hundred twenty-three".