7812022212002 has 16 divisors (see below), whose sum is σ = 12004058836224. Its totient is φ = 3810672756000.

The previous prime is 7812022211971. The next prime is 7812022212011. The reversal of 7812022212002 is 2002122202187.

It is a happy number.

It is a super-2 number, since 2×7812022212002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783227 + ... + 5471457.

It is an arithmetic number, because the mean of its divisors is an integer number (750253677264).

Almost surely, 2^{7812022212002} is an apocalyptic number.

7812022212002 is a deficient number, since it is larger than the sum of its proper divisors (4192036624222).

7812022212002 is a wasteful number, since it uses less digits than its factorization.

7812022212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744705.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 7812022212002 its reverse (2002122202187), we get a palindrome (9814144414189).

The spelling of 7812022212002 in words is "seven trillion, eight hundred twelve billion, twenty-two million, two hundred twelve thousand, two".