122745416650 has 48 divisors (see below), whose sum is σ = 234419246208. Its totient is φ = 47789168000.

The previous prime is 122745416627. The next prime is 122745416671. The reversal of 122745416650 is 56614547221.

It is a junction number, because it is equal to n+sod(n) for n = 122745416597 and 122745416606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814089 + ... + 953011.

It is an arithmetic number, because the mean of its divisors is an integer number (4883734296).

Almost surely, 2^122745416650 is an apocalyptic number.

122745416650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122745416650 is a deficient number, since it is larger than the sum of its proper divisors (111673829558).

122745416650 is a wasteful number, since it uses less digits than its factorization.

122745416650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139407 (or 139402 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 122745416650 in words is "one hundred twenty-two billion, seven hundred forty-five million, four hundred sixteen thousand, six hundred fifty".