2012550212423 has 16 divisors (see below), whose sum is σ = 2100587256000. Its totient is φ = 1925759270400.

The previous prime is 2012550212419. The next prime is 2012550212441. The reversal of 2012550212423 is 3242120552102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2012550212423 - 2² = 2012550212419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012550212623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39786998 + ... + 39837548.

It is an arithmetic number, because the mean of its divisors is an integer number (131286703500).

Almost surely, 2^{2012550212423} is an apocalyptic number.

2012550212423 is a deficient number, since it is larger than the sum of its proper divisors (88037043577).

2012550212423 is a wasteful number, since it uses less digits than its factorization.

2012550212423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62842.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2012550212423 its reverse (3242120552102), we get a palindrome (5254670764525).

The spelling of 2012550212423 in words is "two trillion, twelve billion, five hundred fifty million, two hundred twelve thousand, four hundred twenty-three".