127212431552 has 28 divisors (see below), whose sum is σ = 254753120160. Its totient is φ = 63022669056.

The previous prime is 127212431539. The next prime is 127212431573. The reversal of 127212431552 is 255134212721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9110888 + ... + 9124839.

It is an arithmetic number, because the mean of its divisors is an integer number (9098325720).

Almost surely, 2^127212431552 is an apocalyptic number.

It is an amenable number.

127212431552 is an abundant number, since it is smaller than the sum of its proper divisors (127540688608).

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

127212431552 is a wasteful number, since it uses less digits than its factorization.

127212431552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18235848 (or 18235838 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The spelling of 127212431552 in words is "one hundred twenty-seven billion, two hundred twelve million, four hundred thirty-one thousand, five hundred fifty-two".