1200212102002 has 4 divisors (see below), whose sum is σ = 1800318153006. Its totient is φ = 600106051000.

The previous prime is 1200212101997. The next prime is 1200212102017. The reversal of 1200212102002 is 2002012120021.

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., 1103863321201 + 96348780801 = 1050649^2 + 310401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300053025499 + ... + 300053025502.

Almost surely, 2^{1200212102002} is an apocalyptic number.

1200212102002 is a deficient number, since it is larger than the sum of its proper divisors (600106051004).

1200212102002 is an equidigital number, since it uses as much as digits as its factorization.

1200212102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600106051003.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200212102002 its reverse (2002012120021), we get a palindrome (3202224222023).

The spelling of 1200212102002 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred two thousand, two".