12221211303246 has 16 divisors (see below), whose sum is σ = 26664461025408. Its totient is φ = 3703397364600.

The previous prime is 12221211303227. The next prime is 12221211303247. The reversal of 12221211303246 is 64230311212221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221211303247) 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, 92584934050 + ... + 92584934181.

It is an arithmetic number, because the mean of its divisors is an integer number (1666528814088).

Almost surely, 2^{12221211303246} is an apocalyptic number.

12221211303246 is an abundant number, since it is smaller than the sum of its proper divisors (14443249722162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221211303246 is a wasteful number, since it uses less digits than its factorization.

12221211303246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185169868247.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 12221211303246 its reverse (64230311212221), we get a palindrome (76451522515467).

The spelling of 12221211303246 in words is "twelve trillion, two hundred twenty-one billion, two hundred eleven million, three hundred three thousand, two hundred forty-six".