122351311664146 has 4 divisors (see below), whose sum is σ = 183526967496222. Its totient is φ = 61175655832072.

The previous prime is 122351311664129. The next prime is 122351311664159. The reversal of 122351311664146 is 641466113153221.

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

It can be written as a sum of positive squares in only one way, i.e., 121194536127921 + 1156775536225 = 11008839^2 + 1075535^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122351311664096 and 122351311664105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30587827916035 + ... + 30587827916038.

Almost surely, 2^{122351311664146} is an apocalyptic number.

122351311664146 is a deficient number, since it is larger than the sum of its proper divisors (61175655832076).

122351311664146 is an equidigital number, since it uses as much as digits as its factorization.

122351311664146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61175655832075.

The product of its digits is 622080, while the sum is 46.

The spelling of 122351311664146 in words is "one hundred twenty-two trillion, three hundred fifty-one billion, three hundred eleven million, six hundred sixty-four thousand, one hundred forty-six".