12561034022 has 16 divisors (see below), whose sum is σ = 20192123232. Its totient is φ = 5845086720.

The previous prime is 12561033983. The next prime is 12561034093. The reversal of 12561034022 is 22043016521.

It is a happy number.

12561034022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12561033982 and 12561034000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3688379 + ... + 3691782.

It is an arithmetic number, because the mean of its divisors is an integer number (1262007702).

Almost surely, 2^12561034022 is an apocalyptic number.

12561034022 is a deficient number, since it is larger than the sum of its proper divisors (7631089210).

12561034022 is a wasteful number, since it uses less digits than its factorization.

12561034022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380223.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 12561034022 in words is "twelve billion, five hundred sixty-one million, thirty-four thousand, twenty-two".