1332112421 has 2 divisors, whose sum is σ = 1332112422. Its totient is φ = 1332112420.

The previous prime is 1332112417. The next prime is 1332112429. The reversal of 1332112421 is 1242112331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005587521 + 326524900 = 31711^2 + 18070^2 .

It is an emirp because it is prime and its reverse (1242112331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1332112421 - 2² = 1332112417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1332112393 and 1332112402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332112429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666056210 + 666056211.

It is an arithmetic number, because the mean of its divisors is an integer number (666056211).

Almost surely, 2^1332112421 is an apocalyptic number.

It is an amenable number.

1332112421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332112421 is an equidigital number, since it uses as much as digits as its factorization.

1332112421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 1332112421 is about 36498.1153075059. The cubic root of 1332112421 is about 1100.3063667304.

Adding to 1332112421 its reverse (1242112331), we get a palindrome (2574224752).

The spelling of 1332112421 in words is "one billion, three hundred thirty-two million, one hundred twelve thousand, four hundred twenty-one".