1020000120112 has 80 divisors (see below), whose sum is σ = 2092188313600. Its totient is φ = 480392881920.

The previous prime is 1020000120109. The next prime is 1020000120119. The reversal of 1020000120112 is 2110210000201.

It is not an unprimeable number, because it can be changed into a prime (1020000120119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69717214 + ... + 69731842.

It is an arithmetic number, because the mean of its divisors is an integer number (26152353920).

Almost surely, 2^{1020000120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020000120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046094156800).

1020000120112 is an abundant number, since it is smaller than the sum of its proper divisors (1072188193488).

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

1020000120112 is a wasteful number, since it uses less digits than its factorization.

1020000120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954 (or 15948 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020000120112 its reverse (2110210000201), we get a palindrome (3130210120313).

The spelling of 1020000120112 in words is "one trillion, twenty billion, one hundred twenty thousand, one hundred twelve".