102012003321 has 8 divisors (see below), whose sum is σ = 136097604384. Its totient is φ = 67967202240.

The previous prime is 102012003311. The next prime is 102012003329. The reversal of 102012003321 is 123300210201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102012003321 - 2²² = 102007809017 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102012003321.

It is not an unprimeable number, because it can be changed into a prime (102012003329) 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, 10194160 + ... + 10204161.

It is an arithmetic number, because the mean of its divisors is an integer number (17012200548).

Almost surely, 2^102012003321 is an apocalyptic number.

It is an amenable number.

102012003321 is a deficient number, since it is larger than the sum of its proper divisors (34085601063).

102012003321 is a wasteful number, since it uses less digits than its factorization.

102012003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20399991.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102012003321 its reverse (123300210201), we get a palindrome (225312213522).

The spelling of 102012003321 in words is "one hundred two billion, twelve million, three thousand, three hundred twenty-one".