845312000412 has 48 divisors (see below), whose sum is σ = 2181178685952. Its totient is φ = 252646174080.

The previous prime is 845312000411. The next prime is 845312000441. The reversal of 845312000412 is 214000213548.

It is a self number, because there is not a number n which added to its sum of digits gives 845312000412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845312000411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43852548 + ... + 43871819.

It is an arithmetic number, because the mean of its divisors is an integer number (45441222624).

Almost surely, 2^845312000412 is an apocalyptic number.

It is an amenable number.

845312000412 is an abundant number, since it is smaller than the sum of its proper divisors (1335866685540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845312000412 is a wasteful number, since it uses less digits than its factorization.

845312000412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87724458 (or 87724456 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 845312000412 in words is "eight hundred forty-five billion, three hundred twelve million, four hundred twelve", and thus it is an aban number.