1202100002112 has 56 divisors (see below), whose sum is σ = 3181504838400. Its totient is φ = 400580494336.

The previous prime is 1202100002057. The next prime is 1202100002143. The reversal of 1202100002112 is 2112000012021.

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, 287037 + ... + 1576892.

It is an arithmetic number, because the mean of its divisors is an integer number (56812586400).

Almost surely, 2^{1202100002112} is an apocalyptic number.

1202100002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202100002112 is an abundant number, since it is smaller than the sum of its proper divisors (1979404836288).

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

1202100002112 is a wasteful number, since it uses less digits than its factorization.

1202100002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867303 (or 1867293 counting only the distinct ones).

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

Adding to 1202100002112 its reverse (2112000012021), we get a palindrome (3314100014133).

Subtracting 1202100002112 from its reverse (2112000012021), we obtain a palindrome (909900009909).

The spelling of 1202100002112 in words is "one trillion, two hundred two billion, one hundred million, two thousand, one hundred twelve".