2012478436 has 12 divisors (see below), whose sum is σ = 3581529840. Its totient is φ = 989184200.

The previous prime is 2012478427. The next prime is 2012478437. The reversal of 2012478436 is 6348742102.

It is a junction number, because it is equal to n+sod(n) for n = 2012478395 and 2012478404.

It is not an unprimeable number, because it can be changed into a prime (2012478437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263490 + ... + 4263961.

It is an arithmetic number, because the mean of its divisors is an integer number (298460820).

Almost surely, 2^2012478436 is an apocalyptic number.

It is an amenable number.

2012478436 is a deficient number, since it is larger than the sum of its proper divisors (1569051404).

2012478436 is a wasteful number, since it uses less digits than its factorization.

2012478436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527514 (or 8527512 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2012478436 is about 44860.6557687246. The cubic root of 2012478436 is about 1262.5359265142.

The spelling of 2012478436 in words is "two billion, twelve million, four hundred seventy-eight thousand, four hundred thirty-six".