1212200102002 has 4 divisors (see below), whose sum is σ = 1818300153006. Its totient is φ = 606100051000.

The previous prime is 1212200101991. The next prime is 1212200102059. The reversal of 1212200102002 is 2002010022121.

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., 1137206827201 + 74993274801 = 1066399^2 + 273849^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303050025499 + ... + 303050025502.

Almost surely, 2^{1212200102002} is an apocalyptic number.

1212200102002 is a deficient number, since it is larger than the sum of its proper divisors (606100051004).

1212200102002 is an equidigital number, since it uses as much as digits as its factorization.

1212200102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606100051003.

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

Adding to 1212200102002 its reverse (2002010022121), we get a palindrome (3214210124123).

The spelling of 1212200102002 in words is "one trillion, two hundred twelve billion, two hundred million, one hundred two thousand, two".