1212053153 has 2 divisors, whose sum is σ = 1212053154. Its totient is φ = 1212053152.

The previous prime is 1212053137. The next prime is 1212053177. The reversal of 1212053153 is 3513502121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956788624 + 255264529 = 30932^2 + 15977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212053153 - 2⁴ = 1212053137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212053123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606026576 + 606026577.

It is an arithmetic number, because the mean of its divisors is an integer number (606026577).

Almost surely, 2^1212053153 is an apocalyptic number.

It is an amenable number.

1212053153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212053153 is an equidigital number, since it uses as much as digits as its factorization.

1212053153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1212053153 is about 34814.5537527052. The cubic root of 1212053153 is about 1066.2046081535.

Adding to 1212053153 its reverse (3513502121), we get a palindrome (4725555274).

The spelling of 1212053153 in words is "one billion, two hundred twelve million, fifty-three thousand, one hundred fifty-three".