2002112100012 has 24 divisors (see below), whose sum is σ = 4737392013312. Its totient is φ = 657971112400.

The previous prime is 2002112099927. The next prime is 2002112100013. The reversal of 2002112100012 is 2100012112002.

It is a super-2 number, since 2×2002112100012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2002112100013) 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, 1174947564 + ... + 1174949267.

It is an arithmetic number, because the mean of its divisors is an integer number (197391333888).

Almost surely, 2^{2002112100012} is an apocalyptic number.

It is an amenable number.

2002112100012 is an abundant number, since it is smaller than the sum of its proper divisors (2735279913300).

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

2002112100012 is a wasteful number, since it uses less digits than its factorization.

2002112100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349896909 (or 2349896907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002112100012 its reverse (2100012112002), we get a palindrome (4102124212014).

The spelling of 2002112100012 in words is "two trillion, two billion, one hundred twelve million, one hundred thousand, twelve".