1200013323132 has 48 divisors (see below), whose sum is σ = 3015689398400. Its totient is φ = 369201647808.

The previous prime is 1200013323097. The next prime is 1200013323143. The reversal of 1200013323132 is 2313233100021.

It is a junction number, because it is equal to n+sod(n) for n = 1200013323099 and 1200013323108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422243 + ... + 2103045.

Almost surely, 2^{1200013323132} is an apocalyptic number.

1200013323132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200013323132 is an abundant number, since it is smaller than the sum of its proper divisors (1815676075268).

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

1200013323132 is a wasteful number, since it uses less digits than its factorization.

1200013323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692122 (or 692120 counting only the distinct ones).

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

Adding to 1200013323132 its reverse (2313233100021), we get a palindrome (3513246423153).

The spelling of 1200013323132 in words is "one trillion, two hundred billion, thirteen million, three hundred twenty-three thousand, one hundred thirty-two".