2012550400424 has 96 divisors (see below), whose sum is σ = 4094845574400. Its totient is φ = 926841262080.

The previous prime is 2012550400423. The next prime is 2012550400439. The reversal of 2012550400424 is 4240040552102.

It is a super-2 number, since 2×2012550400424² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012550400423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30385904 + ... + 30452064.

It is an arithmetic number, because the mean of its divisors is an integer number (42654641400).

Almost surely, 2^{2012550400424} is an apocalyptic number.

It is an amenable number.

2012550400424 is an abundant number, since it is smaller than the sum of its proper divisors (2082295173976).

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

2012550400424 is a wasteful number, since it uses less digits than its factorization.

2012550400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66483 (or 66462 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 2012550400424 its reverse (4240040552102), we get a palindrome (6252590952526).

The spelling of 2012550400424 in words is "two trillion, twelve billion, five hundred fifty million, four hundred thousand, four hundred twenty-four".