1212012212002 has 8 divisors (see below), whose sum is σ = 1818024936300. Its totient is φ = 606003899904.

The previous prime is 1212012211987. The next prime is 1212012212003. The reversal of 1212012212002 is 2002122102121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1177613462041 + 34398749961 = 1085179^2 + 185469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1212012212003) by changing a digit.

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, 299127 + ... + 1585402.

Almost surely, 2^{1212012212002} is an apocalyptic number.

1212012212002 is a deficient number, since it is larger than the sum of its proper divisors (606012724298).

1212012212002 is a wasteful number, since it uses less digits than its factorization.

1212012212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206100.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212012212002 its reverse (2002122102121), we get a palindrome (3214134314123).

The spelling of 1212012212002 in words is "one trillion, two hundred twelve billion, twelve million, two hundred twelve thousand, two".