1202121000029 has 2 divisors, whose sum is σ = 1202121000030. Its totient is φ = 1202121000028.

The previous prime is 1202121000013. The next prime is 1202121000037. The reversal of 1202121000029 is 9200001212021.

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., 1155253079929 + 46867920100 = 1074827^2 + 216490^2 .

It is an emirp because it is prime and its reverse (9200001212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202121000029 - 2⁴ = 1202121000013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202121000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060500014 + 601060500015.

It is an arithmetic number, because the mean of its divisors is an integer number (601060500015).

Almost surely, 2^{1202121000029} is an apocalyptic number.

It is an amenable number.

1202121000029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202121000029 is an equidigital number, since it uses as much as digits as its factorization.

1202121000029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1202121000029 in words is "one trillion, two hundred two billion, one hundred twenty-one million, twenty-nine", and thus it is an aban number.