2012240233540 has 48 divisors (see below), whose sum is σ = 4432987802880. Its totient is φ = 766195391360.

The previous prime is 2012240233489. The next prime is 2012240233579. The reversal of 2012240233540 is 453320422102.

It is a super-2 number, since 2×2012240233540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012240233499 and 2012240233508.

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 15 ways as a sum of consecutive naturals, for example, 24391072 + ... + 24473431.

It is an arithmetic number, because the mean of its divisors is an integer number (92353912560).

Almost surely, 2^{2012240233540} is an apocalyptic number.

2012240233540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012240233540 is an abundant number, since it is smaller than the sum of its proper divisors (2420747569340).

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

2012240233540 is a wasteful number, since it uses less digits than its factorization.

2012240233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48864612 (or 48864610 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2012240233540 its reverse (453320422102), we get a palindrome (2465560655642).

The spelling of 2012240233540 in words is "two trillion, twelve billion, two hundred forty million, two hundred thirty-three thousand, five hundred forty".