127212709092 has 24 divisors (see below), whose sum is σ = 339233891136. Its totient is φ = 36346488288.

The previous prime is 127212709007. The next prime is 127212709093. The reversal of 127212709092 is 290907212721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (127212709093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757218423 + ... + 757218590.

It is an arithmetic number, because the mean of its divisors is an integer number (14134745464).

Almost surely, 2^127212709092 is an apocalyptic number.

127212709092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127212709092 is an abundant number, since it is smaller than the sum of its proper divisors (212021182044).

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

127212709092 is a wasteful number, since it uses less digits than its factorization.

127212709092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514437027 (or 1514437025 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 127212709092 in words is "one hundred twenty-seven billion, two hundred twelve million, seven hundred nine thousand, ninety-two".