2012140404 has 36 divisors (see below), whose sum is σ = 5087628000. Its totient is φ = 670530960.

The previous prime is 2012140397. The next prime is 2012140411. The reversal of 2012140404 is 4040412102.

2012140404 is a `hidden beast` number, since 201 + 21 + 40 + 404 = 666.

It is an interprime number because it is at equal distance from previous prime (2012140397) and next prime (2012140411).

It is a tau number, because it is divible by the number of its divisors (36).

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219097 + ... + 228095.

It is an arithmetic number, because the mean of its divisors is an integer number (141323000).

Almost surely, 2^2012140404 is an apocalyptic number.

It is an amenable number.

2012140404 is an abundant number, since it is smaller than the sum of its proper divisors (3075487596).

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

2012140404 is a wasteful number, since it uses less digits than its factorization.

2012140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220 (or 15215 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2012140404 is about 44856.8880329432. Note that the first 3 decimals coincide. The cubic root of 2012140404 is about 1262.4652340065.

Adding to 2012140404 its reverse (4040412102), we get a palindrome (6052552506).

The spelling of 2012140404 in words is "two billion, twelve million, one hundred forty thousand, four hundred four".