102002101212002 has 16 divisors (see below), whose sum is σ = 165954638129112. Its totient is φ = 46830232980480.

The previous prime is 102002101212001. The next prime is 102002101212073. The reversal of 102002101212002 is 200212101200201.

It can be written as a sum of positive squares in 4 ways, for example, as 45736965193921 + 56265136018081 = 6762911^2 + 7501009^2 .

It is not an unprimeable number, because it can be changed into a prime (102002101212001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36586118123 + ... + 36586120910.

Almost surely, 2^{102002101212002} is an apocalyptic number.

102002101212002 is a deficient number, since it is larger than the sum of its proper divisors (63952536917110).

102002101212002 is a wasteful number, since it uses less digits than its factorization.

102002101212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73172239093.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102002101212002 its reverse (200212101200201), we get a palindrome (302214202412203).

The spelling of 102002101212002 in words is "one hundred two trillion, two billion, one hundred one million, two hundred twelve thousand, two".