2012343501540 has 48 divisors (see below), whose sum is σ = 5634754231680. Its totient is φ = 536606607360.

The previous prime is 2012343501527. The next prime is 2012343501577. The reversal of 2012343501540 is 451053432102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2012343501498 and 2012343501507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246596 + ... + 2361924.

It is an arithmetic number, because the mean of its divisors is an integer number (117390713160).

Almost surely, 2^{2012343501540} is an apocalyptic number.

2012343501540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012343501540 is an abundant number, since it is smaller than the sum of its proper divisors (3622410730140).

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

2012343501540 is a wasteful number, since it uses less digits than its factorization.

2012343501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145412 (or 1145410 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2012343501540 its reverse (451053432102), we get a palindrome (2463396933642).

The spelling of 2012343501540 in words is "two trillion, twelve billion, three hundred forty-three million, five hundred one thousand, five hundred forty".