1212020022002 has 8 divisors (see below), whose sum is σ = 1825573726812. Its totient is φ = 603495446400.

The previous prime is 1212020021999. The next prime is 1212020022019. The reversal of 1212020022002 is 2002200202121.

It can be written as a sum of positive squares in 2 ways, for example, as 1140023862961 + 71996159041 = 1067719^2 + 268321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257281699 + ... + 1257282662.

Almost surely, 2^{1212020022002} is an apocalyptic number.

1212020022002 is a deficient number, since it is larger than the sum of its proper divisors (613553704810).

1212020022002 is a wasteful number, since it uses less digits than its factorization.

1212020022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514564604.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1212020022002 its reverse (2002200202121), we get a palindrome (3214220224123).

The spelling of 1212020022002 in words is "one trillion, two hundred twelve billion, twenty million, twenty-two thousand, two".