12254552621112 has 128 divisors (see below), whose sum is σ = 32651795692800. Its totient is φ = 3819309262848.

The previous prime is 12254552621071. The next prime is 12254552621159. The reversal of 12254552621112 is 21112625545221.

It is a super-3 number, since 3×12254552621112³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156710839 + ... + 156789017.

It is an arithmetic number, because the mean of its divisors is an integer number (255092153850).

Almost surely, 2^{12254552621112} is an apocalyptic number.

12254552621112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12254552621112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16325897846400).

12254552621112 is an abundant number, since it is smaller than the sum of its proper divisors (20397243071688).

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

12254552621112 is a wasteful number, since it uses less digits than its factorization.

12254552621112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80725 (or 80721 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The spelling of 12254552621112 in words is "twelve trillion, two hundred fifty-four billion, five hundred fifty-two million, six hundred twenty-one thousand, one hundred twelve".