1212210201029 has 2 divisors, whose sum is σ = 1212210201030. Its totient is φ = 1212210201028.

The previous prime is 1212210201019. The next prime is 1212210201047. The reversal of 1212210201029 is 9201020122121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1209846004900 + 2364196129 = 1099930^2 + 48623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212210201029 - 2²⁴ = 1212193423813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212210200995 and 1212210201013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210201019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105100514 + 606105100515.

It is an arithmetic number, because the mean of its divisors is an integer number (606105100515).

Almost surely, 2^{1212210201029} is an apocalyptic number.

It is an amenable number.

1212210201029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210201029 is an equidigital number, since it uses as much as digits as its factorization.

1212210201029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1212210201029 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, twenty-nine".