122893946450 has 54 divisors (see below), whose sum is σ = 251307862533. Its totient is φ = 44678792400.

The previous prime is 122893946423. The next prime is 122893946453. The reversal of 122893946450 is 54649398221.

It can be written as a sum of positive squares in 2 ways, for example, as 120436067521 + 2457878929 = 347039^2 + 49577^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247885.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122893946392 and 122893946401.

It is not an unprimeable number, because it can be changed into a prime (122893946453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27265097 + ... + 27269603.

Almost surely, 2^122893946450 is an apocalyptic number.

122893946450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122893946450 is an abundant number, since it is smaller than the sum of its proper divisors (128413916083).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122893946450 is an frugal number, since it uses more digits than its factorization.

122893946450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 122893946450 in words is "one hundred twenty-two billion, eight hundred ninety-three million, nine hundred forty-six thousand, four hundred fifty".