12212011122002 has 4 divisors (see below), whose sum is σ = 18318016683006. Its totient is φ = 6106005561000.

The previous prime is 12212011121983. The next prime is 12212011122023. The reversal of 12212011122002 is 20022111021221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8433384432841 + 3778626689161 = 2904029^2 + 1943869^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053002780499 + ... + 3053002780502.

Almost surely, 2^{12212011122002} is an apocalyptic number.

12212011122002 is a deficient number, since it is larger than the sum of its proper divisors (6106005561004).

12212011122002 is an equidigital number, since it uses as much as digits as its factorization.

12212011122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106005561003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212011122002 its reverse (20022111021221), we get a palindrome (32234122143223).

The spelling of 12212011122002 in words is "twelve trillion, two hundred twelve billion, eleven million, one hundred twenty-two thousand, two".