201512256346 has 16 divisors (see below), whose sum is σ = 330373036800. Its totient is φ = 91770287040.

The previous prime is 201512256343. The next prime is 201512256391. The reversal of 201512256346 is 643652215102.

201512256346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201512256343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95592996 + ... + 95595103.

It is an arithmetic number, because the mean of its divisors is an integer number (20648314800).

Almost surely, 2^201512256346 is an apocalyptic number.

201512256346 is a deficient number, since it is larger than the sum of its proper divisors (128860780454).

201512256346 is a wasteful number, since it uses less digits than its factorization.

201512256346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191188149.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 201512256346 in words is "two hundred one billion, five hundred twelve million, two hundred fifty-six thousand, three hundred forty-six".