1231202033130 has 32 divisors (see below), whose sum is σ = 3004967678400. Its totient is φ = 322755786752.

The previous prime is 1231202033123. The next prime is 1231202033213. The reversal of 1231202033130 is 313302021321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1231202033097 and 1231202033106.

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, 347795415 + ... + 347798954.

It is an arithmetic number, because the mean of its divisors is an integer number (93905239950).

Almost surely, 2^{1231202033130} is an apocalyptic number.

1231202033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231202033130 is an abundant number, since it is smaller than the sum of its proper divisors (1773765645270).

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

1231202033130 is a wasteful number, since it uses less digits than its factorization.

1231202033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695594438.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1231202033130 its reverse (313302021321), we get a palindrome (1544504054451).

The spelling of 1231202033130 in words is "one trillion, two hundred thirty-one billion, two hundred two million, thirty-three thousand, one hundred thirty".