121202012201029 has 2 divisors, whose sum is σ = 121202012201030. Its totient is φ = 121202012201028.

The previous prime is 121202012200933. The next prime is 121202012201063. The reversal of 121202012201029 is 920102210202121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64436742562500 + 56765269638529 = 8027250^2 + 7534273^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202012201029 - 2³³ = 121193422266437 is a prime.

It is a super-2 number, since 2×121202012201029² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121202012200994 and 121202012201012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121202012201099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601006100514 + 60601006100515.

It is an arithmetic number, because the mean of its divisors is an integer number (60601006100515).

Almost surely, 2^{121202012201029} is an apocalyptic number.

It is an amenable number.

121202012201029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202012201029 is an equidigital number, since it uses as much as digits as its factorization.

121202012201029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 121202012201029 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, two hundred one thousand, twenty-nine".