20200101212 has 6 divisors (see below), whose sum is σ = 35350177128. Its totient is φ = 10100050604.

The previous prime is 20200101211. The next prime is 20200101253. The reversal of 20200101212 is 21210100202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200101193 and 20200101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200101211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525012648 + ... + 2525012655.

It is an arithmetic number, because the mean of its divisors is an integer number (5891696188).

Almost surely, 2^20200101212 is an apocalyptic number.

It is an amenable number.

20200101212 is a deficient number, since it is larger than the sum of its proper divisors (15150075916).

20200101212 is a wasteful number, since it uses less digits than its factorization.

20200101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050025307 (or 5050025305 counting only the distinct ones).

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

Adding to 20200101212 its reverse (21210100202), we get a palindrome (41410201414).

The spelling of 20200101212 in words is "twenty billion, two hundred million, one hundred one thousand, two hundred twelve".