3812285801999 has 4 divisors (see below), whose sum is σ = 3814746930600. Its totient is φ = 3809824673400.

The previous prime is 3812285801971. The next prime is 3812285802001. The reversal of 3812285801999 is 9991085822183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3812285801999 is a prime.

It is a super-2 number, since 2×3812285801999² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812285801969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230561977 + ... + 1230565074.

It is an arithmetic number, because the mean of its divisors is an integer number (953686732650).

Almost surely, 2^{3812285801999} is an apocalyptic number.

3812285801999 is a deficient number, since it is larger than the sum of its proper divisors (2461128601).

3812285801999 is a wasteful number, since it uses less digits than its factorization.

3812285801999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461128600.

The product of its (nonzero) digits is 22394880, while the sum is 65.

The spelling of 3812285801999 in words is "three trillion, eight hundred twelve billion, two hundred eighty-five million, eight hundred one thousand, nine hundred ninety-nine".