2012240144 has 20 divisors (see below), whose sum is σ = 4103911440. Its totient is φ = 953166240.

The previous prime is 2012240137. The next prime is 2012240147. The reversal of 2012240144 is 4410422102.

It is a super-2 number, since 2×2012240144² = 8098220794250281472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012240147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3309302 + ... + 3309909.

It is an arithmetic number, because the mean of its divisors is an integer number (205195572).

Almost surely, 2^2012240144 is an apocalyptic number.

It is an amenable number.

2012240144 is an abundant number, since it is smaller than the sum of its proper divisors (2091671296).

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

2012240144 is a wasteful number, since it uses less digits than its factorization.

2012240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619238 (or 6619232 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2012240144 is about 44857.9997770743. Note that the first 3 decimals coincide. The cubic root of 2012240144 is about 1262.4860934193.

Adding to 2012240144 its sum of digits (20), we get a square (2012240164 = 44858²).

Adding to 2012240144 its reverse (4410422102), we get a palindrome (6422662246).

The spelling of 2012240144 in words is "two billion, twelve million, two hundred forty thousand, one hundred forty-four".