1230120212130 has 96 divisors (see below), whose sum is σ = 3249075608064. Its totient is φ = 322844859648.

The previous prime is 1230120212129. The next prime is 1230120212147. The reversal of 1230120212130 is 312120210321.

1230120212130 is a `hidden beast` number, since 1 + 2 + 301 + 20 + 212 + 130 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2867727 + ... + 3268653.

It is an arithmetic number, because the mean of its divisors is an integer number (33844537584).

Almost surely, 2^{1230120212130} is an apocalyptic number.

1230120212130 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 1230120212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624537804032).

1230120212130 is an abundant number, since it is smaller than the sum of its proper divisors (2018955395934).

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

1230120212130 is a wasteful number, since it uses less digits than its factorization.

1230120212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401480 (or 401477 counting only the distinct ones).

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

Adding to 1230120212130 its reverse (312120210321), we get a palindrome (1542240422451).

The spelling of 1230120212130 in words is "one trillion, two hundred thirty billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty".