121210120212029 has 2 divisors, whose sum is σ = 121210120212030. Its totient is φ = 121210120212028.

The previous prime is 121210120212001. The next prime is 121210120212109. The reversal of 121210120212029 is 920212021012121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62509975005625 + 58700145206404 = 7906325^2 + 7661602^2 .

It is an emirp because it is prime and its reverse (920212021012121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121210120212029 - 2⁴⁴ = 103617934167613 is a prime.

It is a super-2 number, since 2×121210120212029² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121210120211989 and 121210120212007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210120212829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605060106014 + 60605060106015.

It is an arithmetic number, because the mean of its divisors is an integer number (60605060106015).

Almost surely, 2^{121210120212029} is an apocalyptic number.

It is an amenable number.

121210120212029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210120212029 is an equidigital number, since it uses as much as digits as its factorization.

121210120212029 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 26.

The spelling of 121210120212029 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, two hundred twelve thousand, twenty-nine".