20140412321 has 2 divisors, whose sum is σ = 20140412322. Its totient is φ = 20140412320.

The previous prime is 20140412269. The next prime is 20140412387. The reversal of 20140412321 is 12321404102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14539536400 + 5600875921 = 120580^2 + 74839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140412321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20140412293 and 20140412302.

It is not a weakly prime, because it can be changed into another prime (20140411321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070206160 + 10070206161.

It is an arithmetic number, because the mean of its divisors is an integer number (10070206161).

Almost surely, 2^20140412321 is an apocalyptic number.

It is an amenable number.

20140412321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140412321 is an equidigital number, since it uses as much as digits as its factorization.

20140412321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20140412321 its reverse (12321404102), we get a palindrome (32461816423).

The spelling of 20140412321 in words is "twenty billion, one hundred forty million, four hundred twelve thousand, three hundred twenty-one".