1202011202129 has 2 divisors, whose sum is σ = 1202011202130. Its totient is φ = 1202011202128.

The previous prime is 1202011202087. The next prime is 1202011202153. The reversal of 1202011202129 is 9212021102021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1173712224400 + 28298977729 = 1083380^2 + 168223^2 .

It is an emirp because it is prime and its reverse (9212021102021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202011202129 - 2¹² = 1202011198033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202011204129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601005601064 + 601005601065.

It is an arithmetic number, because the mean of its divisors is an integer number (601005601065).

Almost surely, 2^{1202011202129} is an apocalyptic number.

It is an amenable number.

1202011202129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202011202129 is an equidigital number, since it uses as much as digits as its factorization.

1202011202129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1202011202129 in words is "one trillion, two hundred two billion, eleven million, two hundred two thousand, one hundred twenty-nine".