1812412441395 has 24 divisors (see below), whose sum is σ = 3141617905296. Its totient is φ = 966588274368.

The previous prime is 1812412441351. The next prime is 1812412441409. The reversal of 1812412441395 is 5931442142181.

It is a happy number.

1812412441395 is a `hidden beast` number, since 1 + 8 + 1 + 24 + 124 + 413 + 95 = 666.

It is not a de Polignac number, because 1812412441395 - 2⁷ = 1812412441267 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1812412441395.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760984 + ... + 2050346.

It is an arithmetic number, because the mean of its divisors is an integer number (130900746054).

Almost surely, 2^{1812412441395} is an apocalyptic number.

1812412441395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1812412441395 is a deficient number, since it is larger than the sum of its proper divisors (1329205463901).

1812412441395 is a wasteful number, since it uses less digits than its factorization.

1812412441395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320611 (or 1320608 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 1812412441395 in words is "one trillion, eight hundred twelve billion, four hundred twelve million, four hundred forty-one thousand, three hundred ninety-five".