1213233037 has 2 divisors, whose sum is σ = 1213233038. Its totient is φ = 1213233036.

The previous prime is 1213233023. The next prime is 1213233121. The reversal of 1213233037 is 7303323121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644601321 + 568631716 = 25389^2 + 23846^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213233037 - 2¹¹ = 1213230989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213239037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606616518 + 606616519.

It is an arithmetic number, because the mean of its divisors is an integer number (606616519).

Almost surely, 2^1213233037 is an apocalyptic number.

It is an amenable number.

1213233037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213233037 is an equidigital number, since it uses as much as digits as its factorization.

1213233037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 1213233037 is about 34831.4949004489. The cubic root of 1213233037 is about 1066.5504647612.

Adding to 1213233037 its reverse (7303323121), we get a palindrome (8516556158).

The spelling of 1213233037 in words is "one billion, two hundred thirteen million, two hundred thirty-three thousand, thirty-seven".