12221203012213 has 8 divisors (see below), whose sum is σ = 13168677122048. Its totient is φ = 11274783412464.

The previous prime is 12221203012103. The next prime is 12221203012217. The reversal of 12221203012213 is 31221030212221.

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

It is not a de Polignac number, because 12221203012213 - 2⁹ = 12221203011701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221203012217) 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, 263603445 + ... + 263649802.

It is an arithmetic number, because the mean of its divisors is an integer number (1646084640256).

Almost surely, 2^{12221203012213} is an apocalyptic number.

12221203012213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12221203012213 is a deficient number, since it is larger than the sum of its proper divisors (947474109835).

12221203012213 is a wasteful number, since it uses less digits than its factorization.

12221203012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527255043.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12221203012213 its reverse (31221030212221), we get a palindrome (43442233224434).

The spelling of 12221203012213 in words is "twelve trillion, two hundred twenty-one billion, two hundred three million, twelve thousand, two hundred thirteen".