12010555534 has 24 divisors (see below), whose sum is σ = 18524603520. Its totient is φ = 5839233120.

The previous prime is 12010555511. The next prime is 12010555537. The reversal of 12010555534 is 43555501021.

It is a junction number, because it is equal to n+sod(n) for n = 12010555496 and 12010555505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010555537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727827 + ... + 744145.

It is an arithmetic number, because the mean of its divisors is an integer number (771858480).

Almost surely, 2^12010555534 is an apocalyptic number.

12010555534 is a deficient number, since it is larger than the sum of its proper divisors (6514047986).

12010555534 is an equidigital number, since it uses as much as digits as its factorization.

12010555534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536 (or 16465 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 12010555534 in words is "twelve billion, ten million, five hundred fifty-five thousand, five hundred thirty-four".