1202112002 has 48 divisors (see below), whose sum is σ = 2336879160. Its totient is φ = 459148032.

The previous prime is 1202111987. The next prime is 1202112019. The reversal of 1202112002 is 2002112021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 416935561 + 785176441 = 20419^2 + 28021^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20678 + ... + 53214.

Almost surely, 2^1202112002 is an apocalyptic number.

1202112002 is a deficient number, since it is larger than the sum of its proper divisors (1134767158).

1202112002 is a wasteful number, since it uses less digits than its factorization.

1202112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32595 (or 32588 counting only the distinct ones).

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

The square root of 1202112002 is about 34671.4868732219. The cubic root of 1202112002 is about 1063.2816307466.

Adding to 1202112002 its reverse (2002112021), we get a palindrome (3204224023).

The spelling of 1202112002 in words is "one billion, two hundred two million, one hundred twelve thousand, two".