201210210402 has 16 divisors (see below), whose sum is σ = 406569086112. Its totient is φ = 66378625920.

The previous prime is 201210210389. The next prime is 201210210491. The reversal of 201210210402 is 204012012102.

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, 172860424 + ... + 172861587.

It is an arithmetic number, because the mean of its divisors is an integer number (25410567882).

Almost surely, 2^201210210402 is an apocalyptic number.

201210210402 is an abundant number, since it is smaller than the sum of its proper divisors (205358875710).

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

201210210402 is a wasteful number, since it uses less digits than its factorization.

201210210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345722113.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201210210402 its reverse (204012012102), we get a palindrome (405222222504).

The spelling of 201210210402 in words is "two hundred one billion, two hundred ten million, two hundred ten thousand, four hundred two".