12212013202 has 4 divisors (see below), whose sum is σ = 18318019806. Its totient is φ = 6106006600.

The previous prime is 12212013197. The next prime is 12212013211. The reversal of 12212013202 is 20231021221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20231021221 = 73 ⋅277137277.

It can be written as a sum of positive squares in only one way, i.e., 9476827801 + 2735185401 = 97349^2 + 52299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053003299 + ... + 3053003302.

Almost surely, 2^12212013202 is an apocalyptic number.

12212013202 is a deficient number, since it is larger than the sum of its proper divisors (6106006604).

12212013202 is an equidigital number, since it uses as much as digits as its factorization.

12212013202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106006603.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212013202 its reverse (20231021221), we get a palindrome (32443034423).

The spelling of 12212013202 in words is "twelve billion, two hundred twelve million, thirteen thousand, two hundred two".