20201212100202 has 48 divisors (see below), whose sum is σ = 49042161778752. Its totient is φ = 5520828149760.

The previous prime is 20201212100077. The next prime is 20201212100273. The reversal of 20201212100202 is 20200121210202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493723799 + ... + 1493737322.

It is an arithmetic number, because the mean of its divisors is an integer number (1021711703724).

Almost surely, 2^{20201212100202} is an apocalyptic number.

20201212100202 is an abundant number, since it is smaller than the sum of its proper divisors (28840949678550).

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

20201212100202 is a wasteful number, since it uses less digits than its factorization.

20201212100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987461163 (or 2987461156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201212100202 its reverse (20200121210202), we get a palindrome (40401333310404).

The spelling of 20201212100202 in words is "twenty trillion, two hundred one billion, two hundred twelve million, one hundred thousand, two hundred two".