130212004 has 12 divisors (see below), whose sum is σ = 245399644. Its totient is φ = 60097824.

The previous prime is 130211999. The next prime is 130212007. The reversal of 130212004 is 400212031.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 106708900 = 4848^2 + 10330^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (130212007) 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, 1251987 + ... + 1252090.

Almost surely, 2^130212004 is an apocalyptic number.

It is an amenable number.

130212004 is a deficient number, since it is larger than the sum of its proper divisors (115187640).

130212004 is a wasteful number, since it uses less digits than its factorization.

130212004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504094 (or 2504092 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 130212004 is about 11411.0474541122. The cubic root of 130212004 is about 506.8549290767.

Adding to 130212004 its reverse (400212031), we get a palindrome (530424035).

The spelling of 130212004 in words is "one hundred thirty million, two hundred twelve thousand, four".