102012212101201 has 4 divisors (see below), whose sum is σ = 102020755134004. Its totient is φ = 102003669068400.

The previous prime is 102012212101199. The next prime is 102012212101243. The reversal of 102012212101201 is 102101212210201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19622915410176 + 82389296691025 = 4429776^2 + 9076855^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012212101201 - 2¹ = 102012212101199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012212161201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271498490 + ... + 4271522371.

It is an arithmetic number, because the mean of its divisors is an integer number (25505188783501).

Almost surely, 2^{102012212101201} is an apocalyptic number.

It is an amenable number.

102012212101201 is a deficient number, since it is larger than the sum of its proper divisors (8543032803).

102012212101201 is an equidigital number, since it uses as much as digits as its factorization.

102012212101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543032802.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102012212101201 its reverse (102101212210201), we get a palindrome (204113424311402).

The spelling of 102012212101201 in words is "one hundred two trillion, twelve billion, two hundred twelve million, one hundred one thousand, two hundred one".