32421120621312 has 36 divisors (see below), whose sum is σ = 86287461655640. Its totient is φ = 10807040206848.

The previous prime is 32421120621301. The next prime is 32421120621391. The reversal of 32421120621312 is 21312602112423.

It is a happy number.

It is a super-2 number, since 2×32421120621312² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32421120621312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21107499637 + ... + 21107501172.

Almost surely, 2^{32421120621312} is an apocalyptic number.

32421120621312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32421120621312 is an abundant number, since it is smaller than the sum of its proper divisors (53866341034328).

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

32421120621312 is an equidigital number, since it uses as much as digits as its factorization.

32421120621312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215000828 (or 42215000814 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 32421120621312 its reverse (21312602112423), we get a palindrome (53733722733735).

The spelling of 32421120621312 in words is "thirty-two trillion, four hundred twenty-one billion, one hundred twenty million, six hundred twenty-one thousand, three hundred twelve".