3652815388212 has 36 divisors (see below), whose sum is σ = 9235633985760. Its totient is φ = 1217324458512.

The previous prime is 3652815388199. The next prime is 3652815388217. The reversal of 3652815388212 is 2128835182563.

It is a happy number.

3652815388212 is a `hidden beast` number, since 3 + 6 + 5 + 2 + 81 + 538 + 8 + 21 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652815388217) 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 11 ways as a sum of consecutive naturals, for example, 11536248 + ... + 11848655.

Almost surely, 2^{3652815388212} is an apocalyptic number.

It is an amenable number.

3652815388212 is an abundant number, since it is smaller than the sum of its proper divisors (5582818597548).

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

3652815388212 is a wasteful number, since it uses less digits than its factorization.

3652815388212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23389252 (or 23389247 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 3652815388212 in words is "three trillion, six hundred fifty-two billion, eight hundred fifteen million, three hundred eighty-eight thousand, two hundred twelve".