2012450204540 has 24 divisors (see below), whose sum is σ = 4409890884000. Its totient is φ = 769980947648.

The previous prime is 2012450204537. The next prime is 2012450204543. The reversal of 2012450204540 is 454020542102.

It is an interprime number because it is at equal distance from previous prime (2012450204537) and next prime (2012450204543).

It is a super-2 number, since 2×2012450204540² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012450204543) 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, 2187445415 + ... + 2187446334.

It is an arithmetic number, because the mean of its divisors is an integer number (183745453500).

Almost surely, 2^{2012450204540} is an apocalyptic number.

2012450204540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012450204540 is an abundant number, since it is smaller than the sum of its proper divisors (2397440679460).

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

2012450204540 is a wasteful number, since it uses less digits than its factorization.

2012450204540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374891781 (or 4374891779 counting only the distinct ones).

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

Adding to 2012450204540 its reverse (454020542102), we get a palindrome (2466470746642).

The spelling of 2012450204540 in words is "two trillion, twelve billion, four hundred fifty million, two hundred four thousand, five hundred forty".