7812022212001 has 8 divisors (see below), whose sum is σ = 9453203349120. Its totient is φ = 6302135565888.

The previous prime is 7812022211971. The next prime is 7812022212011. The reversal of 7812022212001 is 1002122202187.

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 7812022212001 - 2⁹ = 7812022211489 is a prime.

It is a super-2 number, since 2×7812022212001² (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 (7812022212011) 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, 32823622621 + ... + 32823622858.

It is an arithmetic number, because the mean of its divisors is an integer number (1181650418640).

Almost surely, 2^{7812022212001} is an apocalyptic number.

It is an amenable number.

7812022212001 is a deficient number, since it is larger than the sum of its proper divisors (1641181137119).

7812022212001 is a wasteful number, since it uses less digits than its factorization.

7812022212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65647245503.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 7812022212001 its reverse (1002122202187), we get a palindrome (8814144414188).

The spelling of 7812022212001 in words is "seven trillion, eight hundred twelve billion, twenty-two million, two hundred twelve thousand, one".