2120012 has 12 divisors (see below), whose sum is σ = 3720360. Its totient is φ = 1057056.

The previous prime is 2120009. The next prime is 2120017. The reversal of 2120012 is 2100212.

It is not an unprimeable number, because it can be changed into a prime (2120017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (310030).

2^2120012 is an apocalyptic number.

It is an amenable number.

2120012 is a deficient number, since it is larger than the sum of its proper divisors (1600348).

2120012 is a wasteful number, since it uses less digits than its factorization.

2120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1478 counting only the distinct ones).

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

The square root of 2120012 is about 1456.0260986672. The cubic root of 2120012 is about 128.4634081541.

Adding to 2120012 its reverse (2100212), we get a palindrome (4220224).

It can be divided in two parts, 21200 and 12, that added together give a palindrome (21212).

The spelling of 2120012 in words is "two million, one hundred twenty thousand, twelve".