2102201202012 has 96 divisors (see below), whose sum is σ = 5207435956800. Its totient is φ = 657767792640.

The previous prime is 2102201201983. The next prime is 2102201202037. The reversal of 2102201202012 is 2102021022012.

It is a junction number, because it is equal to n+sod(n) for n = 2102201201982 and 2102201202000.

It is a congruent number.

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, 380761812 + ... + 380767332.

It is an arithmetic number, because the mean of its divisors is an integer number (54244124550).

Almost surely, 2^{2102201202012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102201202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603717978400).

2102201202012 is an abundant number, since it is smaller than the sum of its proper divisors (3105234754788).

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

2102201202012 is a wasteful number, since it uses less digits than its factorization.

2102201202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151 (or 10149 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102201202012 its reverse (2102021022012), we get a palindrome (4204222224024).

It can be divided in two parts, 2102 and 201202012, that multiplied together give a palindrome (422926629224).

The spelling of 2102201202012 in words is "two trillion, one hundred two billion, two hundred one million, two hundred two thousand, twelve".