812773612120011 has 8 divisors (see below), whose sum is σ = 1083698448659664. Its totient is φ = 541848925163520.

The previous prime is 812773612119929. The next prime is 812773612120013. The reversal of 812773612120011 is 110021216377218.

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

It is not a de Polignac number, because 812773612120011 - 2¹⁴ = 812773612103627 is a prime.

It is a super-2 number, since 2×812773612120011² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812773612120013) 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, 24035530 + ... + 46938831.

It is an arithmetic number, because the mean of its divisors is an integer number (135462306082458).

Almost surely, 2^{812773612120011} is an apocalyptic number.

812773612120011 is a deficient number, since it is larger than the sum of its proper divisors (270924836539653).

812773612120011 is a wasteful number, since it uses less digits than its factorization.

812773612120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74791581.

The product of its (nonzero) digits is 56448, while the sum is 42.

Adding to 812773612120011 its reverse (110021216377218), we get a palindrome (922794828497229).

The spelling of 812773612120011 in words is "eight hundred twelve trillion, seven hundred seventy-three billion, six hundred twelve million, one hundred twenty thousand, eleven".