12543057222 has 16 divisors (see below), whose sum is σ = 26176815360. Its totient is φ = 3999235592.

The previous prime is 12543057211. The next prime is 12543057227. The reversal of 12543057222 is 22275034521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543057227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45445722 + ... + 45445997.

It is an arithmetic number, because the mean of its divisors is an integer number (1636050960).

Almost surely, 2^12543057222 is an apocalyptic number.

12543057222 is an abundant number, since it is smaller than the sum of its proper divisors (13633758138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12543057222 is a wasteful number, since it uses less digits than its factorization.

12543057222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90891747.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 12543057222 in words is "twelve billion, five hundred forty-three million, fifty-seven thousand, two hundred twenty-two".