20201212010212 has 48 divisors (see below), whose sum is σ = 39405970376640. Its totient is φ = 9005147246592.

The previous prime is 20201212010191. The next prime is 20201212010219. The reversal of 20201212010212 is 21201021210202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20201212010219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11281363 + ... + 12948805.

It is an arithmetic number, because the mean of its divisors is an integer number (820957716180).

Almost surely, 2^{20201212010212} is an apocalyptic number.

It is an amenable number.

20201212010212 is a deficient number, since it is larger than the sum of its proper divisors (19204758366428).

20201212010212 is a wasteful number, since it uses less digits than its factorization.

20201212010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676860 (or 1676858 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201212010212 its reverse (21201021210202), we get a palindrome (41402233220414).

The spelling of 20201212010212 in words is "twenty trillion, two hundred one billion, two hundred twelve million, ten thousand, two hundred twelve".