1201211013229 has 2 divisors, whose sum is σ = 1201211013230. Its totient is φ = 1201211013228.

The previous prime is 1201211013181. The next prime is 1201211013271. The reversal of 1201211013229 is 9223101121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079525156004 + 121685857225 = 1039002^2 + 348835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201211013229 - 2⁹ = 1201211012717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201211013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605506614 + 600605506615.

It is an arithmetic number, because the mean of its divisors is an integer number (600605506615).

Almost surely, 2^{1201211013229} is an apocalyptic number.

It is an amenable number.

1201211013229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201211013229 is an equidigital number, since it uses as much as digits as its factorization.

1201211013229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1201211013229 in words is "one trillion, two hundred one billion, two hundred eleven million, thirteen thousand, two hundred twenty-nine".