1012102112 has 24 divisors (see below), whose sum is σ = 2277230256. Its totient is φ = 433757952.

The previous prime is 1012102099. The next prime is 1012102121. The reversal of 1012102112 is 2112012101.

It is a super-2 number, since 2×1012102112² = 2048701370229721088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012102093 and 1012102102.

It is a congruent number.

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, 2258933 + ... + 2259380.

It is an arithmetic number, because the mean of its divisors is an integer number (94884594).

Almost surely, 2^1012102112 is an apocalyptic number.

It is an amenable number.

1012102112 is an abundant number, since it is smaller than the sum of its proper divisors (1265128144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012102112 is an equidigital number, since it uses as much as digits as its factorization.

1012102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518330 (or 4518322 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1012102112 is about 31813.5523323001. The cubic root of 1012102112 is about 1004.0178724140.

Adding to 1012102112 its reverse (2112012101), we get a palindrome (3124114213).

The spelling of 1012102112 in words is "one billion, twelve million, one hundred two thousand, one hundred twelve".