202023212121232 has 20 divisors (see below), whose sum is σ = 395220167405440. Its totient is φ = 100030910855328.

The previous prime is 202023212121217. The next prime is 202023212121271. The reversal of 202023212121232 is 232121212320202.

It is a super-3 number, since 3×202023212121232³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202023212121197 and 202023212121206.

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, 61293448632 + ... + 61293451927.

It is an arithmetic number, because the mean of its divisors is an integer number (19761008370272).

Almost surely, 2^{202023212121232} is an apocalyptic number.

It is an amenable number.

202023212121232 is a deficient number, since it is larger than the sum of its proper divisors (193196955284208).

202023212121232 is a wasteful number, since it uses less digits than its factorization.

202023212121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122586900670 (or 122586900664 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 202023212121232 its reverse (232121212320202), we get a palindrome (434144424441434).

The spelling of 202023212121232 in words is "two hundred two trillion, twenty-three billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirty-two".