11871652320012 has 96 divisors (see below), whose sum is σ = 28862251264000. Its totient is φ = 3793664678400.

The previous prime is 11871652319929. The next prime is 11871652320013. The reversal of 11871652320012 is 21002325617811.

It is a super-2 number, since 2×11871652320012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11871652320013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220919187 + ... + 220972917.

Almost surely, 2^{11871652320012} is an apocalyptic number.

11871652320012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11871652320012 is an abundant number, since it is smaller than the sum of its proper divisors (16990598943988).

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

11871652320012 is a wasteful number, since it uses less digits than its factorization.

11871652320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59327 (or 59325 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

Adding to 11871652320012 its reverse (21002325617811), we get a palindrome (32873977937823).

The spelling of 11871652320012 in words is "eleven trillion, eight hundred seventy-one billion, six hundred fifty-two million, three hundred twenty thousand, twelve".