102001201012 has 6 divisors (see below), whose sum is σ = 178502101778. Its totient is φ = 51000600504.

The previous prime is 102001200989. The next prime is 102001201061. The reversal of 102001201012 is 210102100201.

It can be written as a sum of positive squares in only one way, i.e., 99002105316 + 2999095696 = 314646^2 + 54764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102001201012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750150123 + ... + 12750150130.

Almost surely, 2^102001201012 is an apocalyptic number.

It is an amenable number.

102001201012 is a deficient number, since it is larger than the sum of its proper divisors (76500900766).

102001201012 is a wasteful number, since it uses less digits than its factorization.

102001201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500300257 (or 25500300255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001201012 its reverse (210102100201), we get a palindrome (312103301213).

The spelling of 102001201012 in words is "one hundred two billion, one million, two hundred one thousand, twelve".