12040529200040 has 64 divisors (see below), whose sum is σ = 31109501304000. Its totient is φ = 4147933501440.

The previous prime is 12040529200039. The next prime is 12040529200043. The reversal of 12040529200040 is 4000292504021.

It is a junction number, because it is equal to n+sod(n) for n = 12040529199976 and 12040529200012.

It is not an unprimeable number, because it can be changed into a prime (12040529200043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720118985 + ... + 720135704.

It is an arithmetic number, because the mean of its divisors is an integer number (486085957875).

Almost surely, 2^{12040529200040} is an apocalyptic number.

12040529200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040529200040 is an abundant number, since it is smaller than the sum of its proper divisors (19068972103960).

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

12040529200040 is a wasteful number, since it uses less digits than its factorization.

12040529200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440254730 (or 1440254726 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 12040529200040 in words is "twelve trillion, forty billion, five hundred twenty-nine million, two hundred thousand, forty".