13100121242 has 8 divisors (see below), whose sum is σ = 21161734356. Its totient is φ = 6046209792.

The previous prime is 13100121233. The next prime is 13100121263. The reversal of 13100121242 is 24212100131.

It can be written as a sum of positive squares in 2 ways, for example, as 12022903201 + 1077218041 = 109649^2 + 32821^2 .

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

It is a super-2 number, since 2×13100121242² (a number of 21 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 13100121242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251925383 + ... + 251925434.

Almost surely, 2^13100121242 is an apocalyptic number.

13100121242 is a deficient number, since it is larger than the sum of its proper divisors (8061613114).

13100121242 is a wasteful number, since it uses less digits than its factorization.

13100121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503850832.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13100121242 its reverse (24212100131), we get a palindrome (37312221373).

The spelling of 13100121242 in words is "thirteen billion, one hundred million, one hundred twenty-one thousand, two hundred forty-two".