2102102011212 has 48 divisors (see below), whose sum is σ = 5735968288512. Its totient is φ = 586633118400.

The previous prime is 2102102011199. The next prime is 2102102011397. The reversal of 2102102011212 is 2121102012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102102011191 and 2102102011200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290985039 + ... + 290992262.

It is an arithmetic number, because the mean of its divisors is an integer number (119499339344).

Almost surely, 2^{2102102011212} is an apocalyptic number.

It is an amenable number.

2102102011212 is an abundant number, since it is smaller than the sum of its proper divisors (3633866277300).

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

2102102011212 is a wasteful number, since it uses less digits than its factorization.

2102102011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581977358 (or 581977356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102102011212 its reverse (2121102012012), we get a palindrome (4223204023224).

The spelling of 2102102011212 in words is "two trillion, one hundred two billion, one hundred two million, eleven thousand, two hundred twelve".