102012112 has 10 divisors (see below), whose sum is σ = 197648498. Its totient is φ = 51006048.

The previous prime is 102012091. The next prime is 102012133. The reversal of 102012112 is 211210201.

It is an interprime number because it is at equal distance from previous prime (102012091) and next prime (102012133).

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 31854736 = 8376^2 + 5644^2 .

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, 3187863 + ... + 3187894.

Almost surely, 2^102012112 is an apocalyptic number.

It is an amenable number.

102012112 is a deficient number, since it is larger than the sum of its proper divisors (95636386).

102012112 is an equidigital number, since it uses as much as digits as its factorization.

102012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375765 (or 6375759 counting only the distinct ones).

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

The square root of 102012112 is about 10100.1045539143. The cubic root of 102012112 is about 467.2513659747.

Adding to 102012112 its reverse (211210201), we get a palindrome (313222313).

It can be divided in two parts, 10201 and 2112, that multiplied together give a palindrome (21544512).

The spelling of 102012112 in words is "one hundred two million, twelve thousand, one hundred twelve".