2102120001210 has 64 divisors (see below), whose sum is σ = 5063960286720. Its totient is φ = 558469235520.

The previous prime is 2102120001169. The next prime is 2102120001259. The reversal of 2102120001210 is 121000212012.

It is a super-3 number, since 3×2102120001210³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45984465 + ... + 46030155.

It is an arithmetic number, because the mean of its divisors is an integer number (79124379480).

Almost surely, 2^{2102120001210} is an apocalyptic number.

2102120001210 is an abundant number, since it is smaller than the sum of its proper divisors (2961840285510).

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

2102120001210 is a wasteful number, since it uses less digits than its factorization.

2102120001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51403.

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

Adding to 2102120001210 its reverse (121000212012), we get a palindrome (2223120213222).

The spelling of 2102120001210 in words is "two trillion, one hundred two billion, one hundred twenty million, one thousand, two hundred ten".