1222055135200 has 72 divisors (see below), whose sum is σ = 2984068569888. Its totient is φ = 488703022080.

The previous prime is 1222055135167. The next prime is 1222055135207. The reversal of 1222055135200 is 25315502221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222055135207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3138489 + ... + 3506311.

It is an arithmetic number, because the mean of its divisors is an integer number (41445396804).

Almost surely, 2^{1222055135200} is an apocalyptic number.

1222055135200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222055135200 is an abundant number, since it is smaller than the sum of its proper divisors (1762013434688).

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

1222055135200 is a wasteful number, since it uses less digits than its factorization.

1222055135200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371996 (or 371983 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 1222055135200 in words is "one trillion, two hundred twenty-two billion, fifty-five million, one hundred thirty-five thousand, two hundred".