1291329169130 has 256 divisors, whose sum is σ = 3247630848000. Its totient is φ = 356733296640.

The previous prime is 1291329169127. The next prime is 1291329169139. The reversal of 1291329169130 is 319619231921.

It is a super-2 number, since 2×1291329169130² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1291329169139) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25369946 + ... + 25420794.

It is an arithmetic number, because the mean of its divisors is an integer number (12686058000).

Almost surely, 2^{1291329169130} is an apocalyptic number.

1291329169130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1291329169130 is an abundant number, since it is smaller than the sum of its proper divisors (1956301678870).

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

1291329169130 is a wasteful number, since it uses less digits than its factorization.

1291329169130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50989.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 1291329169130 in words is "one trillion, two hundred ninety-one billion, three hundred twenty-nine million, one hundred sixty-nine thousand, one hundred thirty".