812300429 has 4 divisors (see below), whose sum is σ = 824424384. Its totient is φ = 800176476.

The previous prime is 812300383. The next prime is 812300431. The reversal of 812300429 is 924003218.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924003218 = 2 ⋅462001609.

It is a cyclic number.

It is not a de Polignac number, because 812300429 - 2¹⁶ = 812234893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812300459) 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, 6061877 + ... + 6062010.

It is an arithmetic number, because the mean of its divisors is an integer number (206106096).

Almost surely, 2^812300429 is an apocalyptic number.

It is an amenable number.

812300429 is a deficient number, since it is larger than the sum of its proper divisors (12123955).

812300429 is a wasteful number, since it uses less digits than its factorization.

812300429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123954.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 812300429 is about 28500.8847055666. The cubic root of 812300429 is about 933.0513828472.

The spelling of 812300429 in words is "eight hundred twelve million, three hundred thousand, four hundred twenty-nine".