122072147306 has 4 divisors (see below), whose sum is σ = 183108220962. Its totient is φ = 61036073652.

The previous prime is 122072147279. The next prime is 122072147317. The reversal of 122072147306 is 603741270221.

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., 72679307281 + 49392840025 = 269591^2 + 222245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30518036825 + ... + 30518036828.

Almost surely, 2^122072147306 is an apocalyptic number.

122072147306 is a deficient number, since it is larger than the sum of its proper divisors (61036073656).

122072147306 is an equidigital number, since it uses as much as digits as its factorization.

122072147306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61036073655.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 122072147306 in words is "one hundred twenty-two billion, seventy-two million, one hundred forty-seven thousand, three hundred six".