2112100012026 has 48 divisors (see below), whose sum is σ = 4870002018024. Its totient is φ = 659256041472.

The previous prime is 2112100011997. The next prime is 2112100012027. The reversal of 2112100012026 is 6202100012112.

It can be written as a sum of positive squares in 4 ways, for example, as 1841039208801 + 271060803225 = 1356849^2 + 520635^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2112100012027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17458215 + ... + 17578778.

Almost surely, 2^{2112100012026} is an apocalyptic number.

2112100012026 is an abundant number, since it is smaller than the sum of its proper divisors (2757902005998).

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

2112100012026 is a wasteful number, since it uses less digits than its factorization.

2112100012026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35037215 (or 35037212 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2112100012026 its reverse (6202100012112), we get a palindrome (8314200024138).

The spelling of 2112100012026 in words is "two trillion, one hundred twelve billion, one hundred million, twelve thousand, twenty-six".