127662213612 has 12 divisors (see below), whose sum is σ = 297878498456. Its totient is φ = 42554071200.

The previous prime is 127662213611. The next prime is 127662213619. The reversal of 127662213612 is 216312266721.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (127662213611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319258889 + ... + 5319258912.

Almost surely, 2^127662213612 is an apocalyptic number.

127662213612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127662213612 is an abundant number, since it is smaller than the sum of its proper divisors (170216284844).

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

127662213612 is a wasteful number, since it uses less digits than its factorization.

127662213612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638517808 (or 10638517806 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The spelling of 127662213612 in words is "one hundred twenty-seven billion, six hundred sixty-two million, two hundred thirteen thousand, six hundred twelve".