202000002121212 has 24 divisors (see below), whose sum is σ = 471334276565712. Its totient is φ = 67333200000000.

The previous prime is 202000002121139. The next prime is 202000002121213. The reversal of 202000002121212 is 212121200000202.

It is a junction number, because it is equal to n+sod(n) for n = 202000002121191 and 202000002121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000002121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378789 + ... + 22621212.

It is an arithmetic number, because the mean of its divisors is an integer number (19638928190238).

Almost surely, 2^{202000002121212} is an apocalyptic number.

It is an amenable number.

202000002121212 is an abundant number, since it is smaller than the sum of its proper divisors (269334274444500).

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

202000002121212 is a wasteful number, since it uses less digits than its factorization.

202000002121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510109 (or 33510107 counting only the distinct ones).

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

Adding to 202000002121212 its reverse (212121200000202), we get a palindrome (414121202121414).

The spelling of 202000002121212 in words is "two hundred two trillion, two million, one hundred twenty-one thousand, two hundred twelve".