427121611171229 has 32 divisors (see below), whose sum is σ = 481229044531200. Its totient is φ = 376459931980800.

The previous prime is 427121611171207. The next prime is 427121611171267. The reversal of 427121611171229 is 922171116121724.

It is a cyclic number.

It is not a de Polignac number, because 427121611171229 - 2³⁶ = 427052891694493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427121611171529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2671584164 + ... + 2671744034.

It is an arithmetic number, because the mean of its divisors is an integer number (15038407641600).

Almost surely, 2^{427121611171229} is an apocalyptic number.

It is an amenable number.

427121611171229 is a deficient number, since it is larger than the sum of its proper divisors (54107433359971).

427121611171229 is a wasteful number, since it uses less digits than its factorization.

427121611171229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266621.

The product of its digits is 169344, while the sum is 47.

The spelling of 427121611171229 in words is "four hundred twenty-seven trillion, one hundred twenty-one billion, six hundred eleven million, one hundred seventy-one thousand, two hundred twenty-nine".