32002121312 has 48 divisors (see below), whose sum is σ = 72041114880. Its totient is φ = 13708272768.

The previous prime is 32002121311. The next prime is 32002121339. The reversal of 32002121312 is 21312120023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421703 + ... + 491769.

It is an arithmetic number, because the mean of its divisors is an integer number (1500856560).

Almost surely, 2^32002121312 is an apocalyptic number.

32002121312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32002121312 is an abundant number, since it is smaller than the sum of its proper divisors (40038993568).

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

32002121312 is a wasteful number, since it uses less digits than its factorization.

32002121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72123 (or 72115 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32002121312 its reverse (21312120023), we get a palindrome (53314241335).

The spelling of 32002121312 in words is "thirty-two billion, two million, one hundred twenty-one thousand, three hundred twelve".