2129466458112 has 256 divisors, whose sum is σ = 6516087379200. Its totient is φ = 605945856000.

The previous prime is 2129466458111. The next prime is 2129466458131. The reversal of 2129466458112 is 2118546649212.

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129466458111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172713964 + ... + 172726292.

It is an arithmetic number, because the mean of its divisors is an integer number (25453466325).

Almost surely, 2^{2129466458112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129466458112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258043689600).

2129466458112 is an abundant number, since it is smaller than the sum of its proper divisors (4386620921088).

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

2129466458112 is an equidigital number, since it uses as much as digits as its factorization.

2129466458112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620 (or 12592 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 2129466458112 in words is "two trillion, one hundred twenty-nine billion, four hundred sixty-six million, four hundred fifty-eight thousand, one hundred twelve".