13121331148 has 12 divisors (see below), whose sum is σ = 23496337480. Its totient is φ = 6408091872.

The previous prime is 13121331101. The next prime is 13121331149. The reversal of 13121331148 is 84113312131.

It is not an unprimeable number, because it can be changed into a prime (13121331149) by changing a digit.

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, 38143233 + ... + 38143576.

Almost surely, 2^13121331148 is an apocalyptic number.

It is an amenable number.

13121331148 is a deficient number, since it is larger than the sum of its proper divisors (10375006332).

13121331148 is a wasteful number, since it uses less digits than its factorization.

13121331148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76286856 (or 76286854 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

Adding to 13121331148 its reverse (84113312131), we get a palindrome (97234643279).

The spelling of 13121331148 in words is "thirteen billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred forty-eight".