2002012122112 has 44 divisors (see below), whose sum is σ = 4002575903440. Its totient is φ = 1000879312896.

The previous prime is 2002012122041. The next prime is 2002012122151. The reversal of 2002012122112 is 2112212102002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 8243314 + ... + 8482702.

Almost surely, 2^{2002012122112} is an apocalyptic number.

It is an amenable number.

2002012122112 is a deficient number, since it is larger than the sum of its proper divisors (2000563781328).

2002012122112 is an equidigital number, since it uses as much as digits as its factorization.

2002012122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247576 (or 247558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002012122112 its reverse (2112212102002), we get a palindrome (4114224224114).

The spelling of 2002012122112 in words is "two trillion, two billion, twelve million, one hundred twenty-two thousand, one hundred twelve".