127421054112 has 96 divisors (see below), whose sum is σ = 364970479104. Its totient is φ = 38603667200.

The previous prime is 127421054107. The next prime is 127421054129. The reversal of 127421054112 is 211450124721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×127421054112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127421054112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5804437 + ... + 5826347.

It is an arithmetic number, because the mean of its divisors is an integer number (3801775824).

Almost surely, 2^127421054112 is an apocalyptic number.

127421054112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127421054112 is an abundant number, since it is smaller than the sum of its proper divisors (237549424992).

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

127421054112 is a wasteful number, since it uses less digits than its factorization.

127421054112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27442 (or 27434 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 127421054112 its reverse (211450124721), we get a palindrome (338871178833).

The spelling of 127421054112 in words is "one hundred twenty-seven billion, four hundred twenty-one million, fifty-four thousand, one hundred twelve".