20202100011212 has 48 divisors (see below), whose sum is σ = 41069285053440. Its totient is φ = 8516170991232.

The previous prime is 20202100011211. The next prime is 20202100011227. The reversal of 20202100011212 is 21211000120202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20202100011211) 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, 12715262 + ... + 14215557.

It is an arithmetic number, because the mean of its divisors is an integer number (855610105280).

Almost surely, 2^{20202100011212} is an apocalyptic number.

It is an amenable number.

20202100011212 is an abundant number, since it is smaller than the sum of its proper divisors (20867185042228).

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

20202100011212 is a wasteful number, since it uses less digits than its factorization.

20202100011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26931270 (or 26931268 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202100011212 its reverse (21211000120202), we get a palindrome (41413100131414).

The spelling of 20202100011212 in words is "twenty trillion, two hundred two billion, one hundred million, eleven thousand, two hundred twelve".