1020110232012 has 96 divisors (see below), whose sum is σ = 2544558287040. Its totient is φ = 316953354240.

The previous prime is 1020110231969. The next prime is 1020110232023. The reversal of 1020110232012 is 2102320110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020110231982 and 1020110232000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55069312 + ... + 55087832.

It is an arithmetic number, because the mean of its divisors is an integer number (26505815490).

Almost surely, 2^{1020110232012} is an apocalyptic number.

1020110232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020110232012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272279143520).

1020110232012 is an abundant number, since it is smaller than the sum of its proper divisors (1524448055028).

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

1020110232012 is a wasteful number, since it uses less digits than its factorization.

1020110232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21131 (or 21129 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1020110232012 its reverse (2102320110201), we get a palindrome (3122430342213).

The spelling of 1020110232012 in words is "one trillion, twenty billion, one hundred ten million, two hundred thirty-two thousand, twelve".