354112212161 has 2 divisors, whose sum is σ = 354112212162. Its totient is φ = 354112212160.

The previous prime is 354112212109. The next prime is 354112212203. The reversal of 354112212161 is 161212211453.

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., 351862512400 + 2249699761 = 593180^2 + 47431^2 .

It is a cyclic number.

It is not a de Polignac number, because 354112212161 - 2¹⁴ = 354112195777 is a prime.

It is not a weakly prime, because it can be changed into another prime (354112242161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177056106080 + 177056106081.

It is an arithmetic number, because the mean of its divisors is an integer number (177056106081).

Almost surely, 2^354112212161 is an apocalyptic number.

It is an amenable number.

354112212161 is a deficient number, since it is larger than the sum of its proper divisors (1).

354112212161 is an equidigital number, since it uses as much as digits as its factorization.

354112212161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The spelling of 354112212161 in words is "three hundred fifty-four billion, one hundred twelve million, two hundred twelve thousand, one hundred sixty-one".