121200010112029 has 2 divisors, whose sum is σ = 121200010112030. Its totient is φ = 121200010112028.

The previous prime is 121200010111991. The next prime is 121200010112047. The reversal of 121200010112029 is 920211010002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120490094332804 + 709915779225 = 10976798^2 + 842565^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200010112029 - 2²⁷ = 121199875894301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200010112059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600005056014 + 60600005056015.

It is an arithmetic number, because the mean of its divisors is an integer number (60600005056015).

Almost surely, 2^{121200010112029} is an apocalyptic number.

It is an amenable number.

121200010112029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200010112029 is an equidigital number, since it uses as much as digits as its factorization.

121200010112029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121200010112029 in words is "one hundred twenty-one trillion, two hundred billion, ten million, one hundred twelve thousand, twenty-nine".