1212420233 has 2 divisors, whose sum is σ = 1212420234. Its totient is φ = 1212420232.

The previous prime is 1212420227. The next prime is 1212420239. The reversal of 1212420233 is 3320242121.

It is a balanced prime because it is at equal distance from previous prime (1212420227) and next prime (1212420239).

It can be written as a sum of positive squares in only one way, i.e., 966463744 + 245956489 = 31088^2 + 15683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212420233 - 2⁸ = 1212419977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212420239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606210116 + 606210117.

It is an arithmetic number, because the mean of its divisors is an integer number (606210117).

Almost surely, 2^1212420233 is an apocalyptic number.

It is an amenable number.

1212420233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212420233 is an equidigital number, since it uses as much as digits as its factorization.

1212420233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1212420233 is about 34819.8252867529. The cubic root of 1212420233 is about 1066.3122334894.

Adding to 1212420233 its reverse (3320242121), we get a palindrome (4532662354).

The spelling of 1212420233 in words is "one billion, two hundred twelve million, four hundred twenty thousand, two hundred thirty-three".