305522242212000 has 384 divisors, whose sum is σ = 1107259582980096. Its totient is φ = 73022812800000.

The previous prime is 305522242211933. The next prime is 305522242212013. The reversal of 305522242212000 is 212242225503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6927736 + ... + 25671735.

It is an arithmetic number, because the mean of its divisors is an integer number (2883488497344).

Almost surely, 2^{305522242212000} is an apocalyptic number.

305522242212000 is a gapful number since it is divisible by the number (30) 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 305522242212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553629791490048).

305522242212000 is an abundant number, since it is smaller than the sum of its proper divisors (801737340768096).

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

305522242212000 is a wasteful number, since it uses less digits than its factorization.

305522242212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32599581 (or 32599563 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 305522242212000 its reverse (212242225503), we get a palindrome (305734484437503).

The spelling of 305522242212000 in words is "three hundred five trillion, five hundred twenty-two billion, two hundred forty-two million, two hundred twelve thousand".