32121144330 has 32 divisors (see below), whose sum is σ = 84098996928. Its totient is φ = 7786944000.

The previous prime is 32121144323. The next prime is 32121144449. The reversal of 32121144330 is 3344112123.

It is a happy number.

It is a super-2 number, since 2×32121144330² (a number of 22 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 32121144330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48668071 + ... + 48668730.

It is an arithmetic number, because the mean of its divisors is an integer number (2628093654).

Almost surely, 2^32121144330 is an apocalyptic number.

32121144330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32121144330 is an abundant number, since it is smaller than the sum of its proper divisors (51977852598).

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

32121144330 is a wasteful number, since it uses less digits than its factorization.

32121144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97336822.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32121144330 its reverse (3344112123), we get a palindrome (35465256453).

The spelling of 32121144330 in words is "thirty-two billion, one hundred twenty-one million, one hundred forty-four thousand, three hundred thirty".