210002515242 has 16 divisors (see below), whose sum is σ = 452313109920. Its totient is φ = 64616158512.

The previous prime is 210002515231. The next prime is 210002515253. The reversal of 210002515242 is 242515200012.

It is an interprime number because it is at equal distance from previous prime (210002515231) and next prime (210002515253).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346169892 + ... + 1346170047.

It is an arithmetic number, because the mean of its divisors is an integer number (28269569370).

Almost surely, 2^210002515242 is an apocalyptic number.

210002515242 is an abundant number, since it is smaller than the sum of its proper divisors (242310594678).

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

210002515242 is a wasteful number, since it uses less digits than its factorization.

210002515242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692339957.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 210002515242 its reverse (242515200012), we get a palindrome (452517715254).

The spelling of 210002515242 in words is "two hundred ten billion, two million, five hundred fifteen thousand, two hundred forty-two".