202020121210200 has 96 divisors (see below), whose sum is σ = 627897526272000. Its totient is φ = 53731374213760.

The previous prime is 202020121210199. The next prime is 202020121210223. The reversal of 202020121210200 is 2012121020202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202020121210200.

It is a congruent number.

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, 439326600 + ... + 439786199.

It is an arithmetic number, because the mean of its divisors is an integer number (6540599232000).

Almost surely, 2^{202020121210200} is an apocalyptic number.

202020121210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020121210200 is an abundant number, since it is smaller than the sum of its proper divisors (425877405061800).

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

202020121210200 is a wasteful number, since it uses less digits than its factorization.

202020121210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879113201 (or 879113192 counting only the distinct ones).

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

Adding to 202020121210200 its reverse (2012121020202), we get a palindrome (204032242230402).

The spelling of 202020121210200 in words is "two hundred two trillion, twenty billion, one hundred twenty-one million, two hundred ten thousand, two hundred".