1222692055200 has 864 divisors, whose sum is σ = 5548876849152. Its totient is φ = 245866752000.

The previous prime is 1222692055159. The next prime is 1222692055253. The reversal of 1222692055200 is 25502962221.

It is a happy number.

1222692055200 is a `hidden beast` number, since 1 + 2 + 22 + 69 + 20 + 552 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17150829 + ... + 17221971.

It is an arithmetic number, because the mean of its divisors is an integer number (6422311168).

Almost surely, 2^{1222692055200} is an apocalyptic number.

1222692055200 is a gapful number since it is divisible by the number (10) 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 1222692055200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774438424576).

1222692055200 is an abundant number, since it is smaller than the sum of its proper divisors (4326184793952).

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

1222692055200 is a wasteful number, since it uses less digits than its factorization.

1222692055200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71218 (or 71202 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 1222692055200 in words is "one trillion, two hundred twenty-two billion, six hundred ninety-two million, fifty-five thousand, two hundred".