122445646642 has 32 divisors (see below), whose sum is σ = 211141324800. Its totient is φ = 52670250000.

The previous prime is 122445646621. The next prime is 122445646651. The reversal of 122445646642 is 246646544221.

It is a junction number, because it is equal to n+sod(n) for n = 122445646592 and 122445646601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224767 + ... + 543517.

It is an arithmetic number, because the mean of its divisors is an integer number (6598166400).

Almost surely, 2^122445646642 is an apocalyptic number.

122445646642 is a deficient number, since it is larger than the sum of its proper divisors (88695678158).

122445646642 is a wasteful number, since it uses less digits than its factorization.

122445646642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319702.

The product of its digits is 2211840, while the sum is 46.

The spelling of 122445646642 in words is "one hundred twenty-two billion, four hundred forty-five million, six hundred forty-six thousand, six hundred forty-two".