122112099965 has 8 divisors (see below), whose sum is σ = 146969342520. Its totient is φ = 97399798272.

The previous prime is 122112099947. The next prime is 122112099971. The reversal of 122112099965 is 569990211221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72267001 + 122039832964 = 8501^2 + 349342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122112099965 - 2³⁰ = 121038358141 is a prime.

It is a super-2 number, since 2×122112099965² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36233360 + ... + 36236729.

It is an arithmetic number, because the mean of its divisors is an integer number (18371167815).

Almost surely, 2^122112099965 is an apocalyptic number.

It is an amenable number.

122112099965 is a deficient number, since it is larger than the sum of its proper divisors (24857242555).

122112099965 is an equidigital number, since it uses as much as digits as its factorization.

122112099965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72470431.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 122112099965 in words is "one hundred twenty-two billion, one hundred twelve million, ninety-nine thousand, nine hundred sixty-five".