212100010002102 has 16 divisors (see below), whose sum is σ = 424201935432240. Its totient is φ = 70699684096032.

The previous prime is 212100010002011. The next prime is 212100010002119. The reversal of 212100010002102 is 201200010001212.

It is a congruent number.

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, 78367977 + ... + 81029252.

It is an arithmetic number, because the mean of its divisors is an integer number (26512620964515).

Almost surely, 2^{212100010002102} is an apocalyptic number.

212100010002102 is an abundant number, since it is smaller than the sum of its proper divisors (212101925430138).

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

212100010002102 is a wasteful number, since it uses less digits than its factorization.

212100010002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159619007.

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

Adding to 212100010002102 its reverse (201200010001212), we get a palindrome (413300020003314).

The spelling of 212100010002102 in words is "two hundred twelve trillion, one hundred billion, ten million, two thousand, one hundred two".