12213545401361 has 8 divisors (see below), whose sum is σ = 12856640594880. Its totient is φ = 11570477909328.

The previous prime is 12213545401331. The next prime is 12213545401417. The reversal of 12213545401361 is 16310454531221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213545401361 - 2²² = 12213541207057 is a prime.

It is a super-2 number, since 2×12213545401361² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213545401331) 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 7 ways as a sum of consecutive naturals, for example, 6017306 + ... + 7786851.

It is an arithmetic number, because the mean of its divisors is an integer number (1607080074360).

Almost surely, 2^{12213545401361} is an apocalyptic number.

It is an amenable number.

12213545401361 is a deficient number, since it is larger than the sum of its proper divisors (643095193519).

12213545401361 is a wasteful number, since it uses less digits than its factorization.

12213545401361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850743.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 12213545401361 its reverse (16310454531221), we get a palindrome (28523999932582).

The spelling of 12213545401361 in words is "twelve trillion, two hundred thirteen billion, five hundred forty-five million, four hundred one thousand, three hundred sixty-one".