2102012020112 has 20 divisors (see below), whose sum is σ = 4072676862876. Its totient is φ = 1050998636160.

The previous prime is 2102012020091. The next prime is 2102012020117. The reversal of 2102012020112 is 2110202102012.

It can be written as a sum of positive squares in 2 ways, for example, as 1482510797056 + 619501223056 = 1217584^2 + 787084^2 .

It is not an unprimeable number, because it can be changed into a prime (2102012020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446778 + ... + 3192294.

Almost surely, 2^{2102012020112} is an apocalyptic number.

It is an amenable number.

2102012020112 is a deficient number, since it is larger than the sum of its proper divisors (1970664842764).

2102012020112 is a wasteful number, since it uses less digits than its factorization.

2102012020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921746 (or 921740 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102012020112 its reverse (2110202102012), we get a palindrome (4212214122124).

The spelling of 2102012020112 in words is "two trillion, one hundred two billion, twelve million, twenty thousand, one hundred twelve".