22012131201 has 8 divisors (see below), whose sum is σ = 29387479680. Its totient is φ = 14655768432.

The previous prime is 22012131191. The next prime is 22012131221. The reversal of 22012131201 is 10213121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012131201 - 2²¹ = 22010034049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743721 + ... + 4748358.

It is an arithmetic number, because the mean of its divisors is an integer number (3673434960).

Almost surely, 2^22012131201 is an apocalyptic number.

It is an amenable number.

22012131201 is a deficient number, since it is larger than the sum of its proper divisors (7375348479).

22012131201 is an equidigital number, since it uses as much as digits as its factorization.

22012131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492855.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22012131201 its reverse (10213121022), we get a palindrome (32225252223).

The spelling of 22012131201 in words is "twenty-two billion, twelve million, one hundred thirty-one thousand, two hundred one".