10421412321 has 16 divisors (see below), whose sum is σ = 14400626688. Its totient is φ = 6696690000.

The previous prime is 10421412317. The next prime is 10421412347. The reversal of 10421412321 is 12321412401.

It is not a de Polignac number, because 10421412321 - 2² = 10421412317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10421414321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199881 + ... + 246566.

It is an arithmetic number, because the mean of its divisors is an integer number (900039168).

Almost surely, 2^10421412321 is an apocalyptic number.

It is an amenable number.

10421412321 is a deficient number, since it is larger than the sum of its proper divisors (3979214367).

10421412321 is a wasteful number, since it uses less digits than its factorization.

10421412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446732.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10421412321 its reverse (12321412401), we get a palindrome (22742824722).

The spelling of 10421412321 in words is "ten billion, four hundred twenty-one million, four hundred twelve thousand, three hundred twenty-one".