7812400243201 has 8 divisors (see below), whose sum is σ = 8166494336000. Its totient is φ = 7464686224320.

The previous prime is 7812400243189. The next prime is 7812400243231. The reversal of 7812400243201 is 1023420042187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7812400243201 - 2⁷ = 7812400243073 is a prime.

It is a super-2 number, since 2×7812400243201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7812400243231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595015976 + ... + 1595020873.

It is an arithmetic number, because the mean of its divisors is an integer number (1020811792000).

Almost surely, 2^{7812400243201} is an apocalyptic number.

It is an amenable number.

7812400243201 is a deficient number, since it is larger than the sum of its proper divisors (354094092799).

7812400243201 is a wasteful number, since it uses less digits than its factorization.

7812400243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190036959.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 7812400243201 its reverse (1023420042187), we get a palindrome (8835820285388).

The spelling of 7812400243201 in words is "seven trillion, eight hundred twelve billion, four hundred million, two hundred forty-three thousand, two hundred one".