2012245540 has 24 divisors (see below), whose sum is σ = 4448122560. Its totient is φ = 762535008.

The previous prime is 2012245537. The next prime is 2012245553. The reversal of 2012245540 is 455422102.

It is a super-2 number, since 2×2012245540² = 8098264226499783200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647312 + ... + 2648071.

It is an arithmetic number, because the mean of its divisors is an integer number (185338440).

Almost surely, 2^2012245540 is an apocalyptic number.

2012245540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012245540 is an abundant number, since it is smaller than the sum of its proper divisors (2435877020).

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

2012245540 is a wasteful number, since it uses less digits than its factorization.

2012245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295411 (or 5295409 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2012245540 is about 44858.0599223818. The cubic root of 2012245540 is about 1262.4872219077.

Adding to 2012245540 its reverse (455422102), we get a palindrome (2467667642).

The spelling of 2012245540 in words is "two billion, twelve million, two hundred forty-five thousand, five hundred forty".