2012120144340 has 48 divisors (see below), whose sum is σ = 5729426861760. Its totient is φ = 527471042560.

The previous prime is 2012120144339. The next prime is 2012120144383. The reversal of 2012120144340 is 434410212102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012120144340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284194221 + ... + 284201300.

It is an arithmetic number, because the mean of its divisors is an integer number (119363059620).

Almost surely, 2^{2012120144340} is an apocalyptic number.

2012120144340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012120144340 is an abundant number, since it is smaller than the sum of its proper divisors (3717306717420).

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

2012120144340 is a wasteful number, since it uses less digits than its factorization.

2012120144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568395592 (or 568395590 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2012120144340 its reverse (434410212102), we get a palindrome (2446530356442).

The spelling of 2012120144340 in words is "two trillion, twelve billion, one hundred twenty million, one hundred forty-four thousand, three hundred forty".