121202201210873 has 2 divisors, whose sum is σ = 121202201210874. Its totient is φ = 121202201210872.

The previous prime is 121202201210803. The next prime is 121202201210887. The reversal of 121202201210873 is 378012102202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104500569392704 + 16701631818169 = 10222552^2 + 4086763^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202201210873 - 2³⁶ = 121133481734137 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202201210803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601100605436 + 60601100605437.

It is an arithmetic number, because the mean of its divisors is an integer number (60601100605437).

Almost surely, 2^{121202201210873} is an apocalyptic number.

It is an amenable number.

121202201210873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202201210873 is an equidigital number, since it uses as much as digits as its factorization.

121202201210873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

Adding to 121202201210873 its reverse (378012102202121), we get a palindrome (499214303412994).

The spelling of 121202201210873 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred one million, two hundred ten thousand, eight hundred seventy-three".