102113012 has 12 divisors (see below), whose sum is σ = 178916640. Its totient is φ = 50993976.

The previous prime is 102113009. The next prime is 102113017. The reversal of 102113012 is 210311201.

It is a junction number, because it is equal to n+sod(n) for n = 102112984 and 102113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113017) 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, 11858 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (14909720).

Almost surely, 2^102113012 is an apocalyptic number.

It is an amenable number.

102113012 is a deficient number, since it is larger than the sum of its proper divisors (76803628).

102113012 is a wasteful number, since it uses less digits than its factorization.

102113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31270 (or 31268 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102113012 is about 10105.0983171862. The cubic root of 102113012 is about 467.4053677121.

Adding to 102113012 its reverse (210311201), we get a palindrome (312424213).

The spelling of 102113012 in words is "one hundred two million, one hundred thirteen thousand, twelve".