202001222112012 has 36 divisors (see below), whose sum is σ = 510795333692280. Its totient is φ = 67309854987072.

The previous prime is 202001222111977. The next prime is 202001222112013. The reversal of 202001222112012 is 210211222100202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×202001222112012³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202001222112013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995135313 + ... + 995338280.

It is an arithmetic number, because the mean of its divisors is an integer number (14188759269230).

Almost surely, 2^{202001222112012} is an apocalyptic number.

It is an amenable number.

202001222112012 is an abundant number, since it is smaller than the sum of its proper divisors (308794111580268).

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

202001222112012 is a wasteful number, since it uses less digits than its factorization.

202001222112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990476422 (or 1990476417 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202001222112012 its reverse (210211222100202), we get a palindrome (412212444212214).

The spelling of 202001222112012 in words is "two hundred two trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, twelve".