2012635667 has 8 divisors (see below), whose sum is σ = 2421216000. Its totient is φ = 1634320584.

The previous prime is 2012635657. The next prime is 2012635693. The reversal of 2012635667 is 7665362102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012635667 - 2¹⁰ = 2012634643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012635667.

It is not an unprimeable number, because it can be changed into a prime (2012635607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7566167 + ... + 7566432.

It is an arithmetic number, because the mean of its divisors is an integer number (302652000).

Almost surely, 2^2012635667 is an apocalyptic number.

2012635667 is a deficient number, since it is larger than the sum of its proper divisors (408580333).

2012635667 is a wasteful number, since it uses less digits than its factorization.

2012635667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132625.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2012635667 is about 44862.4081720988. The cubic root of 2012635667 is about 1262.5688054779.

Adding to 2012635667 its reverse (7665362102), we get a palindrome (9677997769).

The spelling of 2012635667 in words is "two billion, twelve million, six hundred thirty-five thousand, six hundred sixty-seven".