13510121012 has 6 divisors (see below), whose sum is σ = 23642711778. Its totient is φ = 6755060504.

The previous prime is 13510120993. The next prime is 13510121021. The reversal of 13510121012 is 21012101531.

It can be written as a sum of positive squares in only one way, i.e., 10717632676 + 2792488336 = 103526^2 + 52844^2 .

It is a super-3 number, since 3×13510121012³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688765123 + ... + 1688765130.

It is an arithmetic number, because the mean of its divisors is an integer number (3940451963).

Almost surely, 2^13510121012 is an apocalyptic number.

It is an amenable number.

13510121012 is a deficient number, since it is larger than the sum of its proper divisors (10132590766).

13510121012 is a wasteful number, since it uses less digits than its factorization.

13510121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377530257 (or 3377530255 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 13510121012 its reverse (21012101531), we get a palindrome (34522222543).

The spelling of 13510121012 in words is "thirteen billion, five hundred ten million, one hundred twenty-one thousand, twelve".