102120210212002 has 4 divisors (see below), whose sum is σ = 153180315318006. Its totient is φ = 51060105106000.

The previous prime is 102120210211949. The next prime is 102120210212029. The reversal of 102120210212002 is 200212012021201.

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., 98656959929641 + 3463250282361 = 9932621^2 + 1860981^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530052552999 + ... + 25530052553002.

Almost surely, 2^{102120210212002} is an apocalyptic number.

102120210212002 is a deficient number, since it is larger than the sum of its proper divisors (51060105106004).

102120210212002 is an equidigital number, since it uses as much as digits as its factorization.

102120210212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060105106003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120210212002 its reverse (200212012021201), we get a palindrome (302332222233203).

The spelling of 102120210212002 in words is "one hundred two trillion, one hundred twenty billion, two hundred ten million, two hundred twelve thousand, two".