122249006885 has 4 divisors (see below), whose sum is σ = 146698808268. Its totient is φ = 97799205504.

The previous prime is 122249006863. The next prime is 122249006917. The reversal of 122249006885 is 588600942221.

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 67619761444 + 54629245441 = 260038^2 + 233729^2 .

It is a cyclic number.

It is not a de Polignac number, because 122249006885 - 2⁶ = 122249006821 is a prime.

It is a Duffinian number.

It is a congruent 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, 12224900684 + ... + 12224900693.

It is an arithmetic number, because the mean of its divisors is an integer number (36674702067).

Almost surely, 2^122249006885 is an apocalyptic number.

It is an amenable number.

122249006885 is a deficient number, since it is larger than the sum of its proper divisors (24449801383).

122249006885 is an equidigital number, since it uses as much as digits as its factorization.

122249006885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24449801382.

The product of its (nonzero) digits is 552960, while the sum is 47.

It can be divided in two parts, 12224 and 9006885, that added together give a palindrome (9019109).

The spelling of 122249006885 in words is "one hundred twenty-two billion, two hundred forty-nine million, six thousand, eight hundred eighty-five".