20120002212 has 12 divisors (see below), whose sum is σ = 46946671856. Its totient is φ = 6706667400.

The previous prime is 20120002211. The next prime is 20120002229. The reversal of 20120002212 is 21220002102.

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 (12), and also a Moran number because the ratio is a prime number: 1676666851 = 20120002212 / (2 + 0 + 1 + 2 + 0 + 0 + 0 + 2 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (20120002211) 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, 838333414 + ... + 838333437.

Almost surely, 2^20120002212 is an apocalyptic number.

It is an amenable number.

20120002212 is an abundant number, since it is smaller than the sum of its proper divisors (26826669644).

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

20120002212 is a wasteful number, since it uses less digits than its factorization.

20120002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676666858 (or 1676666856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20120002212 its reverse (21220002102), we get a palindrome (41340004314).

The spelling of 20120002212 in words is "twenty billion, one hundred twenty million, two thousand, two hundred twelve".