1312120030230 has 192 divisors, whose sum is σ = 3681898504128. Its totient is φ = 322992046080.

The previous prime is 1312120030219. The next prime is 1312120030261. The reversal of 1312120030230 is 320300212131.

1312120030230 is a `hidden beast` number, since 1 + 312 + 1 + 20 + 0 + 302 + 30 = 666.

It is a super-2 number, since 2×1312120030230² (a number of 25 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 32925577 + ... + 32965403.

It is an arithmetic number, because the mean of its divisors is an integer number (19176554709).

Almost surely, 2^{1312120030230} is an apocalyptic number.

1312120030230 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 1312120030230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840949252064).

1312120030230 is an abundant number, since it is smaller than the sum of its proper divisors (2369778473898).

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

1312120030230 is a wasteful number, since it uses less digits than its factorization.

1312120030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40271 (or 40268 counting only the distinct ones).

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

Adding to 1312120030230 its reverse (320300212131), we get a palindrome (1632420242361).

The spelling of 1312120030230 in words is "one trillion, three hundred twelve billion, one hundred twenty million, thirty thousand, two hundred thirty".