12219450628608 has 240 divisors, whose sum is σ = 36580901797440. Its totient is φ = 4072194072576.

The previous prime is 12219450628603. The next prime is 12219450628613. The reversal of 12219450628608 is 80682605491221.

12219450628608 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 9 + 4 + 5 + 0 + 6 + 28 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (12219450628603) and next prime (12219450628613).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12219450628603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701573116 + ... + 701590532.

It is an arithmetic number, because the mean of its divisors is an integer number (152420424156).

Almost surely, 2^{12219450628608} is an apocalyptic number.

12219450628608 is a gapful number since it is divisible by the number (18) 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 12219450628608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18290450898720).

12219450628608 is an abundant number, since it is smaller than the sum of its proper divisors (24361451168832).

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

12219450628608 is an frugal number, since it uses more digits than its factorization.

12219450628608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23089 (or 23061 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 12219450628608 in words is "twelve trillion, two hundred nineteen billion, four hundred fifty million, six hundred twenty-eight thousand, six hundred eight".