2012542506 has 96 divisors (see below), whose sum is σ = 4866301440. Its totient is φ = 596937600.

The previous prime is 2012542471. The next prime is 2012542531. The reversal of 2012542506 is 6052452102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012542506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3053605 + ... + 3054263.

It is an arithmetic number, because the mean of its divisors is an integer number (50690640).

Almost surely, 2^2012542506 is an apocalyptic number.

2012542506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012542506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433150720).

2012542506 is an abundant number, since it is smaller than the sum of its proper divisors (2853758934).

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

2012542506 is a wasteful number, since it uses less digits than its factorization.

2012542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2012542506 is about 44861.3698631685. The cubic root of 2012542506 is about 1262.5493245572.

Adding to 2012542506 its reverse (6052452102), we get a palindrome (8064994608).

The spelling of 2012542506 in words is "two billion, twelve million, five hundred forty-two thousand, five hundred six".