210015242004 has 12 divisors (see below), whose sum is σ = 490035564704. Its totient is φ = 70005080664.

The previous prime is 210015241999. The next prime is 210015242011. The reversal of 210015242004 is 400242510012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750635072 + ... + 8750635095.

Almost surely, 2^210015242004 is an apocalyptic number.

It is an amenable number.

210015242004 is an abundant number, since it is smaller than the sum of its proper divisors (280020322700).

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

210015242004 is a wasteful number, since it uses less digits than its factorization.

210015242004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17501270174 (or 17501270172 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 210015242004 its reverse (400242510012), we get a palindrome (610257752016).

The spelling of 210015242004 in words is "two hundred ten billion, fifteen million, two hundred forty-two thousand, four".