90202012121003 has 2 divisors, whose sum is σ = 90202012121004. Its totient is φ = 90202012121002.

The previous prime is 90202012120993. The next prime is 90202012121009. The reversal of 90202012121003 is 30012121020209.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30012121020209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90202012121003 - 2¹⁰ = 90202012119979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90202012121003.

It is not a weakly prime, because it can be changed into another prime (90202012121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45101006060501 + 45101006060502.

It is an arithmetic number, because the mean of its divisors is an integer number (45101006060502).

Almost surely, 2^{90202012121003} is an apocalyptic number.

90202012121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

90202012121003 is an equidigital number, since it uses as much as digits as its factorization.

90202012121003 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 23.

The spelling of 90202012121003 in words is "ninety trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, three".