10122012 has 18 divisors (see below), whose sum is σ = 25586288. Its totient is φ = 3373992.

The previous prime is 10122011. The next prime is 10122043. The reversal of 10122012 is 21022101.

10122012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10121985 and 10122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140548 + ... + 140619.

Almost surely, 2^10122012 is an apocalyptic number.

10122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10122012 is an abundant number, since it is smaller than the sum of its proper divisors (15464276).

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

10122012 is a wasteful number, since it uses less digits than its factorization.

10122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281177 (or 281172 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10122012 is about 3181.5109617916. The cubic root of 10122012 is about 216.3161522587.

Adding to 10122012 its reverse (21022101), we get a palindrome (31144113).

The spelling of 10122012 in words is "ten million, one hundred twenty-two thousand, twelve".