340440232310212 has 12 divisors (see below), whose sum is σ = 597875602327696. Its totient is φ = 169618631645160.

The previous prime is 340440232310201. The next prime is 340440232310261. The reversal of 340440232310212 is 212013232044043.

It is a super-2 number, since 2×340440232310212² (a number of 30 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, 150371126214 + ... + 150371128477.

Almost surely, 2^{340440232310212} is an apocalyptic number.

It is an amenable number.

340440232310212 is a deficient number, since it is larger than the sum of its proper divisors (257435370017484).

340440232310212 is a wasteful number, since it uses less digits than its factorization.

340440232310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300742254978 (or 300742254976 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 340440232310212 its reverse (212013232044043), we get a palindrome (552453464354255).

The spelling of 340440232310212 in words is "three hundred forty trillion, four hundred forty billion, two hundred thirty-two million, three hundred ten thousand, two hundred twelve".