13121030296 has 64 divisors (see below), whose sum is σ = 27378000000. Its totient is φ = 5844840960.

The previous prime is 13121030267. The next prime is 13121030297. The reversal of 13121030296 is 69203012131.

It is a super-2 number, since 2×13121030296² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121030297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745955 + ... + 1753453.

It is an arithmetic number, because the mean of its divisors is an integer number (427781250).

Almost surely, 2^13121030296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13121030296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13689000000).

13121030296 is an abundant number, since it is smaller than the sum of its proper divisors (14256969704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121030296 is a wasteful number, since it uses less digits than its factorization.

13121030296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912 (or 7908 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 13121030296 in words is "thirteen billion, one hundred twenty-one million, thirty thousand, two hundred ninety-six".