12162470552640 has 140 divisors (see below), whose sum is σ = 43264047541836. Its totient is φ = 3243325473792.

The previous prime is 12162470552633. The next prime is 12162470552657. The reversal of 12162470552640 is 4625507426121.

12162470552640 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 24 + 70 + 552 + 6 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2501762236416 + 9660708316224 = 1581696^2 + 3108168^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 234589639 + ... + 234641478.

Almost surely, 2^{12162470552640} is an apocalyptic number.

12162470552640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12162470552640 is an abundant number, since it is smaller than the sum of its proper divisors (31101576989196).

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

12162470552640 is an equidigital number, since it uses as much as digits as its factorization.

12162470552640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469231146 (or 469231127 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

Adding to 12162470552640 its reverse (4625507426121), we get a palindrome (16787977978761).

The spelling of 12162470552640 in words is "twelve trillion, one hundred sixty-two billion, four hundred seventy million, five hundred fifty-two thousand, six hundred forty".