36090012 has 24 divisors (see below), whose sum is σ = 96240256. Its totient is φ = 10311408.

The previous prime is 36090011. The next prime is 36090017. The reversal of 36090012 is 21009063.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36090011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214738 + ... + 214905.

Almost surely, 2^36090012 is an apocalyptic number.

It is an amenable number.

36090012 is an abundant number, since it is smaller than the sum of its proper divisors (60150244).

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

36090012 is a wasteful number, since it uses less digits than its factorization.

36090012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429657 (or 429655 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 36090012 is about 6007.4963171025. The cubic root of 36090012 is about 330.4676931380.

Adding to 36090012 its reverse (21009063), we get a palindrome (57099075).

The spelling of 36090012 in words is "thirty-six million, ninety thousand, twelve".