2101120012012 has 12 divisors (see below), whose sum is σ = 4202240024080. Its totient is φ = 900480005136.

The previous prime is 2101120011959. The next prime is 2101120012027. The reversal of 2101120012012 is 2102100211012.

2101120012012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2101120011983 and 2101120012001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37520000187 + ... + 37520000242.

Almost surely, 2^{2101120012012} is an apocalyptic number.

It is an amenable number.

2101120012012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2101120012012 is a wasteful number, since it uses less digits than its factorization.

2101120012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75040000440 (or 75040000438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101120012012 its reverse (2102100211012), we get a palindrome (4203220223024).

The spelling of 2101120012012 in words is "two trillion, one hundred one billion, one hundred twenty million, twelve thousand, twelve".