11420433123112 has 64 divisors (see below), whose sum is σ = 23859566640000. Its totient is φ = 5088382274304.

The previous prime is 11420433123109. The next prime is 11420433123119. The reversal of 11420433123112 is 21132133402411.

It is not an unprimeable number, because it can be changed into a prime (11420433123119) 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, 18390763 + ... + 19001605.

It is an arithmetic number, because the mean of its divisors is an integer number (372805728750).

Almost surely, 2^{11420433123112} 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 11420433123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11929783320000).

11420433123112 is an abundant number, since it is smaller than the sum of its proper divisors (12439133516888).

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

11420433123112 is a wasteful number, since it uses less digits than its factorization.

11420433123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617090 (or 617086 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11420433123112 its reverse (21132133402411), we get a palindrome (32552566525523).

The spelling of 11420433123112 in words is "eleven trillion, four hundred twenty billion, four hundred thirty-three million, one hundred twenty-three thousand, one hundred twelve".