345356012 has 24 divisors (see below), whose sum is σ = 626043600. Its totient is φ = 166502336.

The previous prime is 345355981. The next prime is 345356021. The reversal of 345356012 is 210653543.

345356012 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

345356012 is strictly pandigital in base 9.

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, 116039 + ... + 118977.

It is an arithmetic number, because the mean of its divisors is an integer number (26085150).

Almost surely, 2^345356012 is an apocalyptic number.

It is an amenable number.

345356012 is a deficient number, since it is larger than the sum of its proper divisors (280687588).

345356012 is a wasteful number, since it uses less digits than its factorization.

345356012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 345356012 is about 18583.7566708134. The cubic root of 345356012 is about 701.5990735612.

The spelling of 345356012 in words is "three hundred forty-five million, three hundred fifty-six thousand, twelve".