102012012201 has 24 divisors (see below), whose sum is σ = 154327973632. Its totient is φ = 59831085600.

The previous prime is 102012012199. The next prime is 102012012227. The reversal of 102012012201 is 102210210201.

It is not a de Polignac number, because 102012012201 - 2¹ = 102012012199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012012241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4521406 + ... + 4543911.

Almost surely, 2^102012012201 is an apocalyptic number.

102012012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102012012201 is a deficient number, since it is larger than the sum of its proper divisors (52315961431).

102012012201 is a wasteful number, since it uses less digits than its factorization.

102012012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065373 (or 9065362 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102012012201 its reverse (102210210201), we get a palindrome (204222222402).

The spelling of 102012012201 in words is "one hundred two billion, twelve million, twelve thousand, two hundred one".