102100012012 has 24 divisors (see below), whose sum is σ = 183510003600. Its totient is φ = 49677410496.

The previous prime is 102100012009. The next prime is 102100012019. The reversal of 102100012012 is 210210001201.

It is a self number, because there is not a number n which added to its sum of digits gives 102100012012.

It is not an unprimeable number, because it can be changed into a prime (102100012019) 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, 1057087 + ... + 1149622.

It is an arithmetic number, because the mean of its divisors is an integer number (7646250150).

Almost surely, 2^102100012012 is an apocalyptic number.

It is an amenable number.

102100012012 is a deficient number, since it is larger than the sum of its proper divisors (81409991588).

102100012012 is a wasteful number, since it uses less digits than its factorization.

102100012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207025 (or 2207023 counting only the distinct ones).

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

Adding to 102100012012 its reverse (210210001201), we get a palindrome (312310013213).

It can be divided in two parts, 10210001201 and 2, that multiplied together give a palindrome (20420002402).

The spelling of 102100012012 in words is "one hundred two billion, one hundred million, twelve thousand, twelve".