12020022002 has 4 divisors (see below), whose sum is σ = 18030033006. Its totient is φ = 6010011000.

The previous prime is 12020021963. The next prime is 12020022031. The reversal of 12020022002 is 20022002021.

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., 9949863001 + 2070159001 = 99749^2 + 45499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005005499 + ... + 3005005502.

Almost surely, 2^12020022002 is an apocalyptic number.

12020022002 is a deficient number, since it is larger than the sum of its proper divisors (6010011004).

12020022002 is an equidigital number, since it uses as much as digits as its factorization.

12020022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010011003.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12020022002 its reverse (20022002021), we get a palindrome (32042024023).

The spelling of 12020022002 in words is "twelve billion, twenty million, twenty-two thousand, two".