12771024430 has 16 divisors (see below), whose sum is σ = 23729387904. Its totient is φ = 4943622240.

The previous prime is 12771024353. The next prime is 12771024443. The reversal of 12771024430 is 3442017721.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 12771024392 and 12771024401.

It is a congruent number.

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, 20598117 + ... + 20598736.

It is an arithmetic number, because the mean of its divisors is an integer number (1483086744).

Almost surely, 2^12771024430 is an apocalyptic number.

12771024430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771024430 is a deficient number, since it is larger than the sum of its proper divisors (10958363474).

12771024430 is a wasteful number, since it uses less digits than its factorization.

12771024430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41196891.

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 12771024430 in words is "twelve billion, seven hundred seventy-one million, twenty-four thousand, four hundred thirty".