142223103212 has 12 divisors (see below), whose sum is σ = 251889111096. Its totient is φ = 70254785760.

The previous prime is 142223103193. The next prime is 142223103233. The reversal of 142223103212 is 212301322241.

142223103212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142223103212² (a number of 23 digits) contains 22 as substring.

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, 214191089 + ... + 214191752.

It is an arithmetic number, because the mean of its divisors is an integer number (20990759258).

Almost surely, 2^142223103212 is an apocalyptic number.

It is an amenable number.

142223103212 is a deficient number, since it is larger than the sum of its proper divisors (109666007884).

142223103212 is a wasteful number, since it uses less digits than its factorization.

142223103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428382928 (or 428382926 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 142223103212 its reverse (212301322241), we get a palindrome (354524425453).

The spelling of 142223103212 in words is "one hundred forty-two billion, two hundred twenty-three million, one hundred three thousand, two hundred twelve".