102001212102 has 16 divisors (see below), whose sum is σ = 204007213872. Its totient is φ = 33999605760.

The previous prime is 102001212059. The next prime is 102001212109. The reversal of 102001212102 is 201212100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001212109) 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, 115558 + ... + 466214.

It is an arithmetic number, because the mean of its divisors is an integer number (12750450867).

Almost surely, 2^102001212102 is an apocalyptic number.

102001212102 is an abundant number, since it is smaller than the sum of its proper divisors (102006001770).

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

102001212102 is a wasteful number, since it uses less digits than its factorization.

102001212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399143.

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

Adding to 102001212102 its reverse (201212100201), we get a palindrome (303213312303).

The spelling of 102001212102 in words is "one hundred two billion, one million, two hundred twelve thousand, one hundred two".