2102220212012 has 12 divisors (see below), whose sum is σ = 3679165716240. Its totient is φ = 1051030007376.

The previous prime is 2102220211981. The next prime is 2102220212017. The reversal of 2102220212012 is 2102120222012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102220212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19965587 + ... + 20070602.

It is an arithmetic number, because the mean of its divisors is an integer number (306597143020).

Almost surely, 2^{2102220212012} is an apocalyptic number.

It is an amenable number.

2102220212012 is a deficient number, since it is larger than the sum of its proper divisors (1576945504228).

2102220212012 is a wasteful number, since it uses less digits than its factorization.

2102220212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40049320 (or 40049318 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102220212012 its reverse (2102120222012), we get a palindrome (4204340434024).

The spelling of 2102220212012 in words is "two trillion, one hundred two billion, two hundred twenty million, two hundred twelve thousand, twelve".