202202012212212 has 12 divisors (see below), whose sum is σ = 471804695161856. Its totient is φ = 67400670737400.

The previous prime is 202202012212133. The next prime is 202202012212219. The reversal of 202202012212212 is 212212210202202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×202202012212212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202012212219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425083842164 + ... + 8425083842187.

Almost surely, 2^{202202012212212} is an apocalyptic number.

It is an amenable number.

202202012212212 is an abundant number, since it is smaller than the sum of its proper divisors (269602682949644).

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

202202012212212 is a wasteful number, since it uses less digits than its factorization.

202202012212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16850167684358 (or 16850167684356 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202202012212212 its reverse (212212210202202), we get a palindrome (414414222414414).

The spelling of 202202012212212 in words is "two hundred two trillion, two hundred two billion, twelve million, two hundred twelve thousand, two hundred twelve".