1002112122112 has 36 divisors (see below), whose sum is σ = 2019730279840. Its totient is φ = 496191426048.

The previous prime is 1002112122107. The next prime is 1002112122119. The reversal of 1002112122112 is 2112212112001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002112122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18976062 + ... + 19028797.

Almost surely, 2^{1002112122112} is an apocalyptic number.

It is an amenable number.

1002112122112 is an abundant number, since it is smaller than the sum of its proper divisors (1017618157728).

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

1002112122112 is an equidigital number, since it uses as much as digits as its factorization.

1002112122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004978 (or 38004964 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1002112122112 its reverse (2112212112001), we get a palindrome (3114324234113).

The spelling of 1002112122112 in words is "one trillion, two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twelve".