1212102000002 has 4 divisors (see below), whose sum is σ = 1818153000006. Its totient is φ = 606051000000.

The previous prime is 1212101999971. The next prime is 1212102000019. The reversal of 1212102000002 is 2000002012121.

It is a happy number.

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., 616289371681 + 595812628321 = 785041^2 + 771889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303025499999 + ... + 303025500002.

Almost surely, 2^{1212102000002} is an apocalyptic number.

1212102000002 is a deficient number, since it is larger than the sum of its proper divisors (606051000004).

1212102000002 is an equidigital number, since it uses as much as digits as its factorization.

1212102000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606051000003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1212102000002 its reverse (2000002012121), we get a palindrome (3212104012123).

It can be divided in two parts, 121210 and 2000002, that added together give a palindrome (2121212).

The spelling of 1212102000002 in words is "one trillion, two hundred twelve billion, one hundred two million, two", and thus it is an aban number.