12511434330120 has 96 divisors (see below), whose sum is σ = 41256713252160. Its totient is φ = 3033074985600.

The previous prime is 12511434330107. The next prime is 12511434330137. The reversal of 12511434330120 is 2103343411521.

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

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, 430819996 + ... + 430849035.

It is an arithmetic number, because the mean of its divisors is an integer number (429757429710).

Almost surely, 2^{12511434330120} is an apocalyptic number.

12511434330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12511434330120 is an abundant number, since it is smaller than the sum of its proper divisors (28745278922040).

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

12511434330120 is a wasteful number, since it uses less digits than its factorization.

12511434330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861669067 (or 861669052 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12511434330120 its reverse (2103343411521), we get a palindrome (14614777741641).

The spelling of 12511434330120 in words is "twelve trillion, five hundred eleven billion, four hundred thirty-four million, three hundred thirty thousand, one hundred twenty".