2012231313144 has 128 divisors (see below), whose sum is σ = 6373583496000. Its totient is φ = 582727606272.

The previous prime is 2012231313137. The next prime is 2012231313173. The reversal of 2012231313144 is 4413131322102.

2012231313144 is a `hidden beast` number, since 20 + 12 + 2 + 313 + 1 + 314 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21028929 + ... + 21124400.

Almost surely, 2^{2012231313144} is an apocalyptic number.

2012231313144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2012231313144 is an abundant number, since it is smaller than the sum of its proper divisors (4361352182856).

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

2012231313144 is a wasteful number, since it uses less digits than its factorization.

2012231313144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42153374 (or 42153364 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2012231313144 its reverse (4413131322102), we get a palindrome (6425362635246).

The spelling of 2012231313144 in words is "two trillion, twelve billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred forty-four".