13121023313122 has 8 divisors (see below), whose sum is σ = 20213468347356. Its totient is φ = 6383200530672.

The previous prime is 13121023313059. The next prime is 13121023313249. The reversal of 13121023313122 is 22131332012131.

It can be written as a sum of positive squares in 2 ways, for example, as 12746049565921 + 374973747201 = 3570161^2 + 612351^2 .

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

It is a super-2 number, since 2×13121023313122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88655562853 + ... + 88655563000.

Almost surely, 2^{13121023313122} is an apocalyptic number.

13121023313122 is a deficient number, since it is larger than the sum of its proper divisors (7092445034234).

13121023313122 is a wasteful number, since it uses less digits than its factorization.

13121023313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177311125892.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13121023313122 its reverse (22131332012131), we get a palindrome (35252355325253).

The spelling of 13121023313122 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, three hundred thirteen thousand, one hundred twenty-two".