1213232130 has 96 divisors (see below), whose sum is σ = 3473046720. Its totient is φ = 291392640.

The previous prime is 1213232113. The next prime is 1213232179. The reversal of 1213232130 is 312323121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102289 + ... + 113531.

It is an arithmetic number, because the mean of its divisors is an integer number (36177570).

Almost surely, 2^1213232130 is an apocalyptic number.

1213232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736523360).

1213232130 is an abundant number, since it is smaller than the sum of its proper divisors (2259814590).

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

1213232130 is a wasteful number, since it uses less digits than its factorization.

1213232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11376 (or 11373 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1213232130 is about 34831.4818806206. The cubic root of 1213232130 is about 1066.5501989806.

Adding to 1213232130 its reverse (312323121), we get a palindrome (1525555251).

Subtracting from 1213232130 its reverse (312323121), we obtain a palindrome (900909009).

The spelling of 1213232130 in words is "one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred thirty".