2130012 has 18 divisors (see below), whose sum is σ = 5384288. Its totient is φ = 709992.

The previous prime is 2130001. The next prime is 2130013. The reversal of 2130012 is 2100312.

It is a happy number.

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

It is a super-2 number, since 2×2130012² = 9073902240288, which contains 22 as substring.

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 = 2129976 and 2130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130013) 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, 29548 + ... + 29619.

2^2130012 is an apocalyptic number.

It is an amenable number.

2130012 is an abundant number, since it is smaller than the sum of its proper divisors (3254276).

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

2130012 is a wasteful number, since it uses less digits than its factorization.

2130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59177 (or 59172 counting only the distinct ones).

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

The square root of 2130012 is about 1459.4560630591. The cubic root of 2130012 is about 128.6650767460.

Adding to 2130012 its reverse (2100312), we get a palindrome (4230324).

It can be divided in two parts, 21300 and 12, that added together give a palindrome (21312).

The spelling of 2130012 in words is "two million, one hundred thirty thousand, twelve".