2103012 has 18 divisors (see below), whose sum is σ = 5316038. Its totient is φ = 700992.

The previous prime is 2103011. The next prime is 2103029.

It is a happy number.

2103012 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 46656 = 1434^2 + 216^2 .

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 an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2102985 and 2103003.

It is not an unprimeable number, because it can be changed into a prime (2103011) 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, 29173 + ... + 29244.

2^2103012 is an apocalyptic number.

It is an amenable number.

2103012 is an abundant number, since it is smaller than the sum of its proper divisors (3213026).

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

2103012 is a wasteful number, since it uses less digits than its factorization.

2103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58427 (or 58422 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2103012 is about 1450.1765409770. The cubic root of 2103012 is about 128.1191111313.

The spelling of 2103012 in words is "two million, one hundred three thousand, twelve".