202423442212 has 12 divisors (see below), whose sum is σ = 354246019596. Its totient is φ = 101210293760.

The previous prime is 202423442183. The next prime is 202423442231. The reversal of 202423442212 is 212244324202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62983933156 + 139439509056 = 250966^2 + 373416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448 + ... + 636280.

It is an arithmetic number, because the mean of its divisors is an integer number (29520501633).

Almost surely, 2^202423442212 is an apocalyptic number.

It is an amenable number.

202423442212 is a deficient number, since it is larger than the sum of its proper divisors (151822577384).

202423442212 is a wasteful number, since it uses less digits than its factorization.

202423442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713678 (or 713676 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 202423442212 its reverse (212244324202), we get a palindrome (414667766414).

The spelling of 202423442212 in words is "two hundred two billion, four hundred twenty-three million, four hundred forty-two thousand, two hundred twelve".