102112010212 has 12 divisors (see below), whose sum is σ = 189207548460. Its totient is φ = 48052710656.

The previous prime is 102112010207. The next prime is 102112010233. The reversal of 102112010212 is 212010211201.

It can be written as a sum of positive squares in 2 ways, for example, as 63088378276 + 39023631936 = 251174^2 + 197544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102112010192 and 102112010201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750823537 + ... + 750823672.

It is an arithmetic number, because the mean of its divisors is an integer number (15767295705).

Almost surely, 2^102112010212 is an apocalyptic number.

It is an amenable number.

102112010212 is a deficient number, since it is larger than the sum of its proper divisors (87095538248).

102112010212 is a wasteful number, since it uses less digits than its factorization.

102112010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501647230 (or 1501647228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112010212 its reverse (212010211201), we get a palindrome (314122221413).

The spelling of 102112010212 in words is "one hundred two billion, one hundred twelve million, ten thousand, two hundred twelve".