13123335050450 has 12 divisors (see below), whose sum is σ = 24409403193930. Its totient is φ = 5249334020160.

The previous prime is 13123335050407. The next prime is 13123335050467. The reversal of 13123335050450 is 5405053332131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5296584647761 + 7826750402689 = 2301431^2 + 2797633^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13123335050450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131233350455 + ... + 131233350554.

Almost surely, 2^{13123335050450} is an apocalyptic number.

13123335050450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123335050450 is a deficient number, since it is larger than the sum of its proper divisors (11286068143480).

13123335050450 is a wasteful number, since it uses less digits than its factorization.

13123335050450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262466701021 (or 262466701016 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 13123335050450 its reverse (5405053332131), we get a palindrome (18528388382581).

The spelling of 13123335050450 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-five million, fifty thousand, four hundred fifty".