1004140212 has 12 divisors (see below), whose sum is σ = 2342993856. Its totient is φ = 334713400.

The previous prime is 1004140211. The next prime is 1004140219. The reversal of 1004140212 is 2120414001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1004140191 and 1004140200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004140211) 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, 41839164 + ... + 41839187.

It is an arithmetic number, because the mean of its divisors is an integer number (195249488).

Almost surely, 2^1004140212 is an apocalyptic number.

1004140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004140212 is an abundant number, since it is smaller than the sum of its proper divisors (1338853644).

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

1004140212 is a wasteful number, since it uses less digits than its factorization.

1004140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83678358 (or 83678356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1004140212 is about 31688.1714840096. The cubic root of 1004140212 is about 1001.3781704404.

Adding to 1004140212 its reverse (2120414001), we get a palindrome (3124554213).

The spelling of 1004140212 in words is "one billion, four million, one hundred forty thousand, two hundred twelve".