20201012212 has 48 divisors (see below), whose sum is σ = 38753104320. Its totient is φ = 9171187200.

The previous prime is 20201012191. The next prime is 20201012213. The reversal of 20201012212 is 21221010202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20201012192 and 20201012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015787 + ... + 3022477.

It is an arithmetic number, because the mean of its divisors is an integer number (807356340).

Almost surely, 2^20201012212 is an apocalyptic number.

It is an amenable number.

20201012212 is a deficient number, since it is larger than the sum of its proper divisors (18552092108).

20201012212 is a wasteful number, since it uses less digits than its factorization.

20201012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8270 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20201012212 its reverse (21221010202), we get a palindrome (41422022414).

The spelling of 20201012212 in words is "twenty billion, two hundred one million, twelve thousand, two hundred twelve".