2012040342 has 48 divisors (see below), whose sum is σ = 4698177120. Its totient is φ = 618638976.

The previous prime is 2012040301. The next prime is 2012040367. The reversal of 2012040342 is 2430402102.

2012040342 is a `hidden beast` number, since 201 + 20 + 403 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 475018 + ... + 479234.

It is an arithmetic number, because the mean of its divisors is an integer number (97878690).

Almost surely, 2^2012040342 is an apocalyptic number.

2012040342 is an abundant number, since it is smaller than the sum of its proper divisors (2686136778).

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

2012040342 is a wasteful number, since it uses less digits than its factorization.

2012040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277 (or 6274 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2012040342 is about 44855.7726719761. The cubic root of 2012040342 is about 1262.4443065587. Note that the first 3 decimals are identical.

Adding to 2012040342 its reverse (2430402102), we get a palindrome (4442442444).

The spelling of 2012040342 in words is "two billion, twelve million, forty thousand, three hundred forty-two".