201200001021210 has 64 divisors (see below), whose sum is σ = 483934115119104. Its totient is φ = 53536304500800.

The previous prime is 201200001021143. The next prime is 201200001021251. The reversal of 201200001021210 is 12120100002102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31118245 + ... + 37023575.

It is an arithmetic number, because the mean of its divisors is an integer number (7561470548736).

Almost surely, 2^{201200001021210} is an apocalyptic number.

201200001021210 is an abundant number, since it is smaller than the sum of its proper divisors (282734114097894).

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

201200001021210 is a wasteful number, since it uses less digits than its factorization.

201200001021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907819.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201200001021210 its reverse (12120100002102), we get a palindrome (213320101023312).

The spelling of 201200001021210 in words is "two hundred one trillion, two hundred billion, one million, twenty-one thousand, two hundred ten".