13122114840 has 96 divisors (see below), whose sum is σ = 42863586480. Its totient is φ = 3481449216.

The previous prime is 13122114839. The next prime is 13122114881. The reversal of 13122114840 is 4841122131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21594 + ... + 163433.

Almost surely, 2^13122114840 is an apocalyptic number.

13122114840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13122114840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21431793240).

13122114840 is an abundant number, since it is smaller than the sum of its proper divisors (29741471640).

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

13122114840 is a wasteful number, since it uses less digits than its factorization.

13122114840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185241 (or 185234 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 13122114840 its reverse (4841122131), we get a palindrome (17963236971).

The spelling of 13122114840 in words is "thirteen billion, one hundred twenty-two million, one hundred fourteen thousand, eight hundred forty".