32121534000000 has 448 divisors, whose sum is σ = 112926181088880. Its totient is φ = 8061849600000.

The previous prime is 32121533999981. The next prime is 32121534000011. The reversal of 32121534000000 is 43512123.

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 55 ways as a sum of consecutive naturals, for example, 101842542 + ... + 102157458.

Almost surely, 2^{32121534000000} is an apocalyptic number.

32121534000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121534000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56463090544440).

32121534000000 is an abundant number, since it is smaller than the sum of its proper divisors (80804647088880).

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

32121534000000 is an frugal number, since it uses more digits than its factorization.

32121534000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314981 (or 314944 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 32121534000000 its reverse (43512123), we get a palindrome (32121577512123).

The spelling of 32121534000000 in words is "thirty-two trillion, one hundred twenty-one billion, five hundred thirty-four million", and thus it is an aban number.