12110213440 has 112 divisors (see below), whose sum is σ = 31092526080. Its totient is φ = 4466165760.

The previous prime is 12110213431. The next prime is 12110213441. The reversal of 12110213440 is 4431201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110213441) 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, 6118371 + ... + 6120349.

It is an arithmetic number, because the mean of its divisors is an integer number (277611840).

Almost surely, 2^12110213440 is an apocalyptic number.

12110213440 is a gapful number since it is divisible by the number (10) 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 12110213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15546263040).

12110213440 is an abundant number, since it is smaller than the sum of its proper divisors (18982312640).

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

12110213440 is a wasteful number, since it uses less digits than its factorization.

12110213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12110213440 its reverse (4431201121), we get a palindrome (16541414561).

It can be divided in two parts, 1211021 and 3440, that added together give a triangular number (1214461 = T₁₅₅₈).

The spelling of 12110213440 in words is "twelve billion, one hundred ten million, two hundred thirteen thousand, four hundred forty".