20120010212 has 12 divisors (see below), whose sum is σ = 35212625196. Its totient is φ = 10059260160.

The previous prime is 20120010199. The next prime is 20120010217. The reversal of 20120010212 is 21201002102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7446654436 + 12673355776 = 86294^2 + 112576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20120010193 and 20120010202.

It is not an unprimeable number, because it can be changed into a prime (20120010217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123089 + ... + 235352.

It is an arithmetic number, because the mean of its divisors is an integer number (2934385433).

Almost surely, 2^20120010212 is an apocalyptic number.

It is an amenable number.

20120010212 is a deficient number, since it is larger than the sum of its proper divisors (15092614984).

20120010212 is a wasteful number, since it uses less digits than its factorization.

20120010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372478 (or 372476 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20120010212 its reverse (21201002102), we get a palindrome (41321012314).

The spelling of 20120010212 in words is "twenty billion, one hundred twenty million, ten thousand, two hundred twelve".