13123012321010 has 8 divisors (see below), whose sum is σ = 23621422177836. Its totient is φ = 5249204928400.

The previous prime is 13123012320997. The next prime is 13123012321033. The reversal of 13123012321010 is 1012321032131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11641477865521 + 1481534455489 = 3411961^2 + 1217183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656150616041 + ... + 656150616060.

Almost surely, 2^{13123012321010} is an apocalyptic number.

13123012321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123012321010 is a deficient number, since it is larger than the sum of its proper divisors (10498409856826).

13123012321010 is a wasteful number, since it uses less digits than its factorization.

13123012321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312301232108.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13123012321010 its reverse (1012321032131), we get a palindrome (14135333353141).

The spelling of 13123012321010 in words is "thirteen trillion, one hundred twenty-three billion, twelve million, three hundred twenty-one thousand, ten".