1212528257318 has 16 divisors (see below), whose sum is σ = 2085964823040. Its totient is φ = 517818729096.

The previous prime is 1212528257233. The next prime is 1212528257323. The reversal of 1212528257318 is 8137528252121.

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, 153015758 + ... + 153023681.

It is an arithmetic number, because the mean of its divisors is an integer number (130372801440).

Almost surely, 2^{1212528257318} is an apocalyptic number.

1212528257318 is a deficient number, since it is larger than the sum of its proper divisors (873436565722).

1212528257318 is a wasteful number, since it uses less digits than its factorization.

1212528257318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306039731.

The product of its digits is 537600, while the sum is 47.

The spelling of 1212528257318 in words is "one trillion, two hundred twelve billion, five hundred twenty-eight million, two hundred fifty-seven thousand, three hundred eighteen".