1000023201112 has 80 divisors (see below), whose sum is σ = 2034060102360. Its totient is φ = 460920335616.

The previous prime is 1000023201049. The next prime is 1000023201131. The reversal of 1000023201112 is 2111023200001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1000023201092 and 1000023201101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 195811663 + ... + 195816769.

Almost surely, 2^{1000023201112} 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 1000023201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017030051180).

1000023201112 is an abundant number, since it is smaller than the sum of its proper divisors (1034036901248).

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

1000023201112 is an frugal number, since it uses more digits than its factorization.

1000023201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022 (or 5979 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1000023201112 its reverse (2111023200001), we get a palindrome (3111046401113).

The spelling of 1000023201112 in words is "one trillion, twenty-three million, two hundred one thousand, one hundred twelve".