122002639669 has 16 divisors (see below), whose sum is σ = 124220678400. Its totient is φ = 119803267584.

The previous prime is 122002639567. The next prime is 122002639687. The reversal of 122002639669 is 966936200221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002639669 is a prime.

It is a super-2 number, since 2×122002639669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002639069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11149569 + ... + 11160505.

It is an arithmetic number, because the mean of its divisors is an integer number (7763792400).

Almost surely, 2^122002639669 is an apocalyptic number.

It is an amenable number.

122002639669 is a deficient number, since it is larger than the sum of its proper divisors (2218038731).

122002639669 is a wasteful number, since it uses less digits than its factorization.

122002639669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 122002639669 in words is "one hundred twenty-two billion, two million, six hundred thirty-nine thousand, six hundred sixty-nine".