2001200102112 has 48 divisors (see below), whose sum is σ = 5253259817232. Its totient is φ = 667052789760.

The previous prime is 2001200102107. The next prime is 2001200102123. The reversal of 2001200102112 is 2112010021002.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078658 + ... + 5458494.

It is an arithmetic number, because the mean of its divisors is an integer number (109442912859).

Almost surely, 2^{2001200102112} is an apocalyptic number.

It is an amenable number.

2001200102112 is an abundant number, since it is smaller than the sum of its proper divisors (3252059715120).

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

2001200102112 is a wasteful number, since it uses less digits than its factorization.

2001200102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434731 (or 434723 counting only the distinct ones).

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

Adding to 2001200102112 its reverse (2112010021002), we get a palindrome (4113210123114).

The spelling of 2001200102112 in words is "two trillion, one billion, two hundred million, one hundred two thousand, one hundred twelve".