202404421212 has 48 divisors (see below), whose sum is σ = 539806417920. Its totient is φ = 57823267392.

The previous prime is 202404421211. The next prime is 202404421273. The reversal of 202404421212 is 212124404202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202404421211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632893 + ... + 897419.

It is an arithmetic number, because the mean of its divisors is an integer number (11245967040).

Almost surely, 2^202404421212 is an apocalyptic number.

It is an amenable number.

202404421212 is an abundant number, since it is smaller than the sum of its proper divisors (337401996708).

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

202404421212 is a wasteful number, since it uses less digits than its factorization.

202404421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273650 (or 273648 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202404421212 its reverse (212124404202), we get a palindrome (414528825414).

The spelling of 202404421212 in words is "two hundred two billion, four hundred four million, four hundred twenty-one thousand, two hundred twelve".