1321232020130 has 64 divisors (see below), whose sum is σ = 2610969137280. Its totient is φ = 477387456000.

The previous prime is 1321232020103. The next prime is 1321232020151. The reversal of 1321232020130 is 310202321231.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25590902 + ... + 25642478.

It is an arithmetic number, because the mean of its divisors is an integer number (40796392770).

Almost surely, 2^{1321232020130} is an apocalyptic number.

1321232020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321232020130 is a deficient number, since it is larger than the sum of its proper divisors (1289737117150).

1321232020130 is a wasteful number, since it uses less digits than its factorization.

1321232020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53075.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1321232020130 its reverse (310202321231), we get a palindrome (1631434341361).

The spelling of 1321232020130 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-two million, twenty thousand, one hundred thirty".