22201200231012 has 144 divisors (see below), whose sum is σ = 62885398028544. Its totient is φ = 6544843200000.

The previous prime is 22201200230999. The next prime is 22201200231013. The reversal of 22201200231012 is 21013200210222.

22201200231012 is a `hidden beast` number, since 2 + 220 + 1 + 200 + 231 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22201200231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102470437 + ... + 102686867.

It is an arithmetic number, because the mean of its divisors is an integer number (436704152976).

Almost surely, 2^{22201200231012} is an apocalyptic number.

22201200231012 is a gapful number since it is divisible by the number (22) 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 22201200231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31442699014272).

22201200231012 is an abundant number, since it is smaller than the sum of its proper divisors (40684197797532).

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

22201200231012 is a wasteful number, since it uses less digits than its factorization.

22201200231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223490 (or 223485 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22201200231012 its reverse (21013200210222), we get a palindrome (43214400441234).

The spelling of 22201200231012 in words is "twenty-two trillion, two hundred one billion, two hundred million, two hundred thirty-one thousand, twelve".