345213204712 has 8 divisors (see below), whose sum is σ = 647274758850. Its totient is φ = 172606602352.

The previous prime is 345213204587. The next prime is 345213204821. The reversal of 345213204712 is 217402312543.

It can be written as a sum of positive squares in only one way, i.e., 294581904516 + 50631300196 = 542754^2 + 225014^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575825287 + ... + 21575825302.

Almost surely, 2^345213204712 is an apocalyptic number.

It is an amenable number.

345213204712 is a deficient number, since it is larger than the sum of its proper divisors (302061554138).

345213204712 is a wasteful number, since it uses less digits than its factorization.

345213204712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43151650595 (or 43151650591 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 345213204712 in words is "three hundred forty-five billion, two hundred thirteen million, two hundred four thousand, seven hundred twelve".