12092121450 has 120 divisors (see below), whose sum is σ = 33646244940. Its totient is φ = 3219955200.

The previous prime is 12092121409. The next prime is 12092121463. The reversal of 12092121450 is 5412129021.

12092121450 is a `hidden beast` number, since 1 + 2 + 0 + 92 + 121 + 450 = 666.

12092121450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5903309889 + 6188811561 = 76833^2 + 78669^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3566356 + ... + 3569744.

Almost surely, 2^12092121450 is an apocalyptic number.

12092121450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12092121450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16823122470).

12092121450 is an abundant number, since it is smaller than the sum of its proper divisors (21554123490).

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

12092121450 is a wasteful number, since it uses less digits than its factorization.

12092121450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12092121450 in words is "twelve billion, ninety-two million, one hundred twenty-one thousand, four hundred fifty".