12212211011001 has 8 divisors (see below), whose sum is σ = 16283684588160. Its totient is φ = 8141105720592.

The previous prime is 12212211010999. The next prime is 12212211011017. The reversal of 12212211011001 is 10011011221221.

It is a happy number.

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

It is not a de Polignac number, because 12212211011001 - 2¹ = 12212211010999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212211011071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91994305 + ... + 92126958.

It is an arithmetic number, because the mean of its divisors is an integer number (2035460573520).

Almost surely, 2^{12212211011001} is an apocalyptic number.

It is an amenable number.

12212211011001 is a deficient number, since it is larger than the sum of its proper divisors (4071473577159).

12212211011001 is a wasteful number, since it uses less digits than its factorization.

12212211011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184143375.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12212211011001 its reverse (10011011221221), we get a palindrome (22223222232222).

The spelling of 12212211011001 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, eleven thousand, one".