12214455453450 has 144 divisors (see below), whose sum is σ = 33759965116800. Its totient is φ = 3164704583040.

The previous prime is 12214455453449. The next prime is 12214455453533. The reversal of 12214455453450 is 5435455441221.

12214455453450 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 4 + 4 + 554 + 53 + 45 + 0 = 666.

12214455453450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 12214455453396 and 12214455453405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29550 + ... + 4942649.

It is an arithmetic number, because the mean of its divisors is an integer number (234444202200).

Almost surely, 2^{12214455453450} is an apocalyptic number.

12214455453450 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 12214455453450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16879982558400).

12214455453450 is an abundant number, since it is smaller than the sum of its proper divisors (21545509663350).

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

12214455453450 is a wasteful number, since it uses less digits than its factorization.

12214455453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972373 (or 4972365 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 12214455453450 in words is "twelve trillion, two hundred fourteen billion, four hundred fifty-five million, four hundred fifty-three thousand, four hundred fifty".