12211332002 has 4 divisors (see below), whose sum is σ = 18316998006. Its totient is φ = 6105666000.

The previous prime is 12211331983. The next prime is 12211332041. The reversal of 12211332002 is 20023311221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20023311221 = 116191 ⋅172331.

It can be written as a sum of positive squares in only one way, i.e., 11748608881 + 462723121 = 108391^2 + 21511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052832999 + ... + 3052833002.

Almost surely, 2^12211332002 is an apocalyptic number.

12211332002 is a deficient number, since it is larger than the sum of its proper divisors (6105666004).

12211332002 is an equidigital number, since it uses as much as digits as its factorization.

12211332002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105666003.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12211332002 its reverse (20023311221), we get a palindrome (32234643223).

The spelling of 12211332002 in words is "twelve billion, two hundred eleven million, three hundred thirty-two thousand, two".