13121200203132 has 48 divisors (see below), whose sum is σ = 35030887173632. Its totient is φ = 3744519347520.

The previous prime is 13121200203131. The next prime is 13121200203143. The reversal of 13121200203132 is 23130200212131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13121200203099 and 13121200203108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121200203131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91490344 + ... + 91633647.

Almost surely, 2^{13121200203132} is an apocalyptic number.

13121200203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121200203132 is an abundant number, since it is smaller than the sum of its proper divisors (21909686970500).

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

13121200203132 is a wasteful number, since it uses less digits than its factorization.

13121200203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183124858 (or 183124856 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13121200203132 its reverse (23130200212131), we get a palindrome (36251400415263).

The spelling of 13121200203132 in words is "thirteen trillion, one hundred twenty-one billion, two hundred million, two hundred three thousand, one hundred thirty-two".