1200211100029 has 2 divisors, whose sum is σ = 1200211100030. Its totient is φ = 1200211100028.

The previous prime is 1200211099993. The next prime is 1200211100063. The reversal of 1200211100029 is 9200011120021.

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., 1194146272900 + 6064827129 = 1092770^2 + 77877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200211100029 - 2⁹ = 1200211099517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200211099979 and 1200211100015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200211100089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600105550014 + 600105550015.

It is an arithmetic number, because the mean of its divisors is an integer number (600105550015).

Almost surely, 2^{1200211100029} is an apocalyptic number.

It is an amenable number.

1200211100029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200211100029 is an equidigital number, since it uses as much as digits as its factorization.

1200211100029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1200211100029 in words is "one trillion, two hundred billion, two hundred eleven million, one hundred thousand, twenty-nine".