431433322221212 has 6 divisors (see below), whose sum is σ = 755008313887128. Its totient is φ = 215716661110604.

The previous prime is 431433322221179. The next prime is 431433322221263. The reversal of 431433322221212 is 212122223334134.

It is a super-2 number, since 2×431433322221212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53929165277648 + ... + 53929165277655.

It is an arithmetic number, because the mean of its divisors is an integer number (125834718981188).

Almost surely, 2^{431433322221212} is an apocalyptic number.

It is an amenable number.

431433322221212 is a deficient number, since it is larger than the sum of its proper divisors (323574991665916).

431433322221212 is a wasteful number, since it uses less digits than its factorization.

431433322221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107858330555307 (or 107858330555305 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 431433322221212 its reverse (212122223334134), we get a palindrome (643555545555346).

The spelling of 431433322221212 in words is "four hundred thirty-one trillion, four hundred thirty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".