122402021435305 has 4 divisors (see below), whose sum is σ = 146882425722372. Its totient is φ = 97921617148240.

The previous prime is 122402021435279. The next prime is 122402021435341. The reversal of 122402021435305 is 503534120204221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43372392835984 + 79029628599321 = 6585772^2 + 8889861^2 .

It is not a de Polignac number, because 122402021435305 - 2²³ = 122402013046697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240202143526 + ... + 12240202143535.

It is an arithmetic number, because the mean of its divisors is an integer number (36720606430593).

Almost surely, 2^{122402021435305} is an apocalyptic number.

It is an amenable number.

122402021435305 is a deficient number, since it is larger than the sum of its proper divisors (24480404287067).

122402021435305 is an equidigital number, since it uses as much as digits as its factorization.

122402021435305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480404287066.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 122402021435305 its reverse (503534120204221), we get a palindrome (625936141639526).

The spelling of 122402021435305 in words is "one hundred twenty-two trillion, four hundred two billion, twenty-one million, four hundred thirty-five thousand, three hundred five".