1321231230130 has 32 divisors (see below), whose sum is σ = 2718395294976. Its totient is φ = 452921246784.

The previous prime is 1321231230107. The next prime is 1321231230157. The reversal of 1321231230130 is 310321321231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064094 + ... + 1942873.

It is an arithmetic number, because the mean of its divisors is an integer number (84949852968).

Almost surely, 2^{1321231230130} is an apocalyptic number.

1321231230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321231230130 is an abundant number, since it is smaller than the sum of its proper divisors (1397164064846).

1321231230130 is a wasteful number, since it uses less digits than its factorization.

1321231230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013258.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321231230130 its reverse (310321321231), we get a palindrome (1631552551361).

The spelling of 1321231230130 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-one million, two hundred thirty thousand, one hundred thirty".