2102012202012 has 24 divisors (see below), whose sum is σ = 4925046576912. Its totient is φ = 697763385600.

The previous prime is 2102012201999. The next prime is 2102012202019. The reversal of 2102012202012 is 2102022102012.

It is a junction number, because it is equal to n+sod(n) for n = 2102012201982 and 2102012202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102012202019) 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, 363415539 + ... + 363421322.

It is an arithmetic number, because the mean of its divisors is an integer number (205210274038).

Almost surely, 2^{2102012202012} is an apocalyptic number.

It is an amenable number.

2102012202012 is an abundant number, since it is smaller than the sum of its proper divisors (2823034374900).

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

2102012202012 is a wasteful number, since it uses less digits than its factorization.

2102012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726837109 (or 726837107 counting only the distinct ones).

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

Adding to 2102012202012 its reverse (2102022102012), we get a palindrome (4204034304024).

The spelling of 2102012202012 in words is "two trillion, one hundred two billion, twelve million, two hundred two thousand, twelve".