4312121130 has 64 divisors (see below), whose sum is σ = 11518012800. Its totient is φ = 1147996800.

The previous prime is 4312121119. The next prime is 4312121131. The reversal of 4312121130 is 311212134.

4312121130 is a `hidden beast` number, since 431 + 21 + 211 + 3 + 0 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4312121131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154230 + ... + 180030.

It is an arithmetic number, because the mean of its divisors is an integer number (179968950).

Almost surely, 2^4312121130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4312121130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5759006400).

4312121130 is an abundant number, since it is smaller than the sum of its proper divisors (7205891670).

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

4312121130 is a wasteful number, since it uses less digits than its factorization.

4312121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26436 (or 26430 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4312121130 is about 65666.7429525784. The cubic root of 4312121130 is about 1627.6598496607.

Adding to 4312121130 its reverse (311212134), we get a palindrome (4623333264).

The spelling of 4312121130 in words is "four billion, three hundred twelve million, one hundred twenty-one thousand, one hundred thirty".