1332012257 has 2 divisors, whose sum is σ = 1332012258. Its totient is φ = 1332012256.

The previous prime is 1332012221. The next prime is 1332012263. The reversal of 1332012257 is 7522102331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1186182481 + 145829776 = 34441^2 + 12076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332012257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1332012757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666006128 + 666006129.

It is an arithmetic number, because the mean of its divisors is an integer number (666006129).

Almost surely, 2^1332012257 is an apocalyptic number.

It is an amenable number.

1332012257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332012257 is an equidigital number, since it uses as much as digits as its factorization.

1332012257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1332012257 is about 36496.7431012686. The cubic root of 1332012257 is about 1100.2787880147.

Adding to 1332012257 its reverse (7522102331), we get a palindrome (8854114588).

The spelling of 1332012257 in words is "one billion, three hundred thirty-two million, twelve thousand, two hundred fifty-seven".