22201001002012 has 96 divisors (see below), whose sum is σ = 47839742720000. Its totient is φ = 8801765767872.

The previous prime is 22201001002003. The next prime is 22201001002051. The reversal of 22201001002012 is 21020010010222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22201001001983 and 22201001002001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79904443 + ... + 80181805.

Almost surely, 2^{22201001002012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22201001002012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23919871360000).

22201001002012 is an abundant number, since it is smaller than the sum of its proper divisors (25638741717988).

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

22201001002012 is a wasteful number, since it uses less digits than its factorization.

22201001002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280935 (or 280933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22201001002012 its reverse (21020010010222), we get a palindrome (43221011012234).

The spelling of 22201001002012 in words is "twenty-two trillion, two hundred one billion, one million, two thousand, twelve".