12051441240 has 32 divisors (see below), whose sum is σ = 36154324080. Its totient is φ = 3213717632.

The previous prime is 12051441223. The next prime is 12051441257. The reversal of 12051441240 is 4214415021.

It is an interprime number because it is at equal distance from previous prime (12051441223) and next prime (12051441257).

It is a super-2 number, since 2×12051441240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12051441240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50214219 + ... + 50214458.

Almost surely, 2^12051441240 is an apocalyptic number.

12051441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12051441240 is an abundant number, since it is smaller than the sum of its proper divisors (24102882840).

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

12051441240 is a wasteful number, since it uses less digits than its factorization.

12051441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100428691 (or 100428687 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12051441240 its reverse (4214415021), we get a palindrome (16265856261).

The spelling of 12051441240 in words is "twelve billion, fifty-one million, four hundred forty-one thousand, two hundred forty".