10020012 has 12 divisors (see below), whose sum is σ = 23380056. Its totient is φ = 3340000.

The previous prime is 10019983. The next prime is 10020013. The reversal of 10020012 is 21002001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (10020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417489 + ... + 417512.

It is an arithmetic number, because the mean of its divisors is an integer number (1948338).

Almost surely, 2^10020012 is an apocalyptic number.

10020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020012 is an abundant number, since it is smaller than the sum of its proper divisors (13360044).

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

10020012 is a wasteful number, since it uses less digits than its factorization.

10020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835008 (or 835006 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10020012 is about 3165.4402537404. The cubic root of 10020012 is about 215.5870883988.

Adding to 10020012 its reverse (21002001), we get a palindrome (31022013).

It can be divided in two parts, 1002001 and 2, that multiplied together give a palindrome (2004002).

The spelling of 10020012 in words is "ten million, twenty thousand, twelve".