12070211440 has 40 divisors (see below), whose sum is σ = 32072277600. Its totient is φ = 4138358016.

The previous prime is 12070211411. The next prime is 12070211443. The reversal of 12070211440 is 4411207021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12070211443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776415 + ... + 10777534.

It is an arithmetic number, because the mean of its divisors is an integer number (801806940).

Almost surely, 2^12070211440 is an apocalyptic number.

12070211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12070211440 is an abundant number, since it is smaller than the sum of its proper divisors (20002066160).

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

12070211440 is a wasteful number, since it uses less digits than its factorization.

12070211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21553969 (or 21553963 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 12070211440 its reverse (4411207021), we get a palindrome (16481418461).

The spelling of 12070211440 in words is "twelve billion, seventy million, two hundred eleven thousand, four hundred forty".