13121030012122 has 8 divisors (see below), whose sum is σ = 19681707828276. Its totient is φ = 6560460736032.

The previous prime is 13121030012099. The next prime is 13121030012131. The reversal of 13121030012122 is 22121003012131.

It can be written as a sum of positive squares in 2 ways, for example, as 10880227593361 + 2240802418761 = 3298519^2 + 1496931^2 .

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

It is a super-2 number, since 2×13121030012122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13121030012122.

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, 26832123 + ... + 27316750.

Almost surely, 2^{13121030012122} is an apocalyptic number.

13121030012122 is a deficient number, since it is larger than the sum of its proper divisors (6560677816154).

13121030012122 is a wasteful number, since it uses less digits than its factorization.

13121030012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54270032.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13121030012122 its reverse (22121003012131), we get a palindrome (35242033024253).

The spelling of 13121030012122 in words is "thirteen trillion, one hundred twenty-one billion, thirty million, twelve thousand, one hundred twenty-two".