1230643200032 has 24 divisors (see below), whose sum is σ = 2422859424300. Its totient is φ = 615313822464.

The previous prime is 1230643199987. The next prime is 1230643200049. The reversal of 1230643200032 is 2300023460321.

It can be written as a sum of positive squares in 2 ways, for example, as 1110924432016 + 119718768016 = 1054004^2 + 346004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230643199974 and 1230643200010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2989694 + ... + 3376322.

Almost surely, 2^{1230643200032} is an apocalyptic number.

It is an amenable number.

1230643200032 is a deficient number, since it is larger than the sum of its proper divisors (1192216224268).

1230643200032 is an equidigital number, since it uses as much as digits as its factorization.

1230643200032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486108 (or 486100 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1230643200032 its reverse (2300023460321), we get a palindrome (3530666660353).

The spelling of 1230643200032 in words is "one trillion, two hundred thirty billion, six hundred forty-three million, two hundred thousand, thirty-two".