12312567582 has 32 divisors (see below), whose sum is σ = 28147603200. Its totient is φ = 3517302528.

The previous prime is 12312567559. The next prime is 12312567593. The reversal of 12312567582 is 28576521321.

It is a super-2 number, since 2×12312567582² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282894 + ... + 323502.

It is an arithmetic number, because the mean of its divisors is an integer number (879612600).

Almost surely, 2^12312567582 is an apocalyptic number.

12312567582 is an abundant number, since it is smaller than the sum of its proper divisors (15835035618).

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

12312567582 is a wasteful number, since it uses less digits than its factorization.

12312567582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47840.

The product of its digits is 201600, while the sum is 42.

The spelling of 12312567582 in words is "twelve billion, three hundred twelve million, five hundred sixty-seven thousand, five hundred eighty-two".