221412332140312 has 32 divisors (see below), whose sum is σ = 427278791128320. Its totient is φ = 107517865704480.

The previous prime is 221412332140291. The next prime is 221412332140343. The reversal of 221412332140312 is 213041233214122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908995108 + ... + 2909071219.

It is an arithmetic number, because the mean of its divisors is an integer number (13352462222760).

Almost surely, 2^{221412332140312} is an apocalyptic number.

It is an amenable number.

221412332140312 is a deficient number, since it is larger than the sum of its proper divisors (205866458988008).

221412332140312 is a wasteful number, since it uses less digits than its factorization.

221412332140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818066471 (or 5818066467 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 221412332140312 its reverse (213041233214122), we get a palindrome (434453565354434).

The spelling of 221412332140312 in words is "two hundred twenty-one trillion, four hundred twelve billion, three hundred thirty-two million, one hundred forty thousand, three hundred twelve".