12120836547270 has 96 divisors (see below), whose sum is σ = 32205004231680. Its totient is φ = 2917245038400.

The previous prime is 12120836547247. The next prime is 12120836547271. The reversal of 12120836547270 is 7274563802121.

It is a happy number.

It is a super-2 number, since 2×12120836547270² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120836547271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11506486 + ... + 12515625.

It is an arithmetic number, because the mean of its divisors is an integer number (335468794080).

Almost surely, 2^{12120836547270} is an apocalyptic number.

12120836547270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120836547270 is an abundant number, since it is smaller than the sum of its proper divisors (20084167684410).

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

12120836547270 is a wasteful number, since it uses less digits than its factorization.

12120836547270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24022282 (or 24022271 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 12120836547270 in words is "twelve trillion, one hundred twenty billion, eight hundred thirty-six million, five hundred forty-seven thousand, two hundred seventy".