340220143412312 has 8 divisors (see below), whose sum is σ = 637912768898100. Its totient is φ = 170110071706152.

The previous prime is 340220143412293. The next prime is 340220143412351. The reversal of 340220143412312 is 213214341022043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 21263758963262 + ... + 21263758963277.

Almost surely, 2^{340220143412312} is an apocalyptic number.

It is an amenable number.

340220143412312 is a deficient number, since it is larger than the sum of its proper divisors (297692625485788).

340220143412312 is a wasteful number, since it uses less digits than its factorization.

340220143412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42527517926545 (or 42527517926541 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 340220143412312 its reverse (213214341022043), we get a palindrome (553434484434355).

The spelling of 340220143412312 in words is "three hundred forty trillion, two hundred twenty billion, one hundred forty-three million, four hundred twelve thousand, three hundred twelve".