812133120226 has 8 divisors (see below), whose sum is σ = 1271164883904. Its totient is φ = 388411492260.

The previous prime is 812133120223. The next prime is 812133120229. The reversal of 812133120226 is 622021331218.

It is an interprime number because it is at equal distance from previous prime (812133120223) and next prime (812133120229).

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

It is not an unprimeable number, because it can be changed into a prime (812133120223) 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, 8827533870 + ... + 8827533961.

It is an arithmetic number, because the mean of its divisors is an integer number (158895610488).

Almost surely, 2^812133120226 is an apocalyptic number.

812133120226 is a deficient number, since it is larger than the sum of its proper divisors (459031763678).

812133120226 is a wasteful number, since it uses less digits than its factorization.

812133120226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655067856.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 812133120226 in words is "eight hundred twelve billion, one hundred thirty-three million, one hundred twenty thousand, two hundred twenty-six".