12911741040 has 160 divisors (see below), whose sum is σ = 44218598400. Its totient is φ = 3090447360.

The previous prime is 12911740991. The next prime is 12911741053. The reversal of 12911741040 is 4014711921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12911740989 and 12911741007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177606 + ... + 239514.

It is an arithmetic number, because the mean of its divisors is an integer number (276366240).

Almost surely, 2^12911741040 is an apocalyptic number.

12911741040 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 12911741040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22109299200).

12911741040 is an abundant number, since it is smaller than the sum of its proper divisors (31306857360).

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

12911741040 is a wasteful number, since it uses less digits than its factorization.

12911741040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62015 (or 62009 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 12911741040 in words is "twelve billion, nine hundred eleven million, seven hundred forty-one thousand, forty".