12202211321 has 16 divisors (see below), whose sum is σ = 12877087104. Its totient is φ = 11539613184.

The previous prime is 12202211317. The next prime is 12202211347. The reversal of 12202211321 is 12311220221.

It is a cyclic number.

It is not a de Polignac number, because 12202211321 - 2² = 12202211317 is a prime.

It is a super-2 number, since 2×12202211321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202211321.

It is not an unprimeable number, because it can be changed into a prime (12202211381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2846846 + ... + 2851128.

It is an arithmetic number, because the mean of its divisors is an integer number (804817944).

Almost surely, 2^12202211321 is an apocalyptic number.

It is an amenable number.

12202211321 is a deficient number, since it is larger than the sum of its proper divisors (674875783).

12202211321 is a wasteful number, since it uses less digits than its factorization.

12202211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12202211321 its reverse (12311220221), we get a palindrome (24513431542).

The spelling of 12202211321 in words is "twelve billion, two hundred two million, two hundred eleven thousand, three hundred twenty-one".