127311990010 has 32 divisors (see below), whose sum is σ = 229667412240. Its totient is φ = 50812489728.

The previous prime is 127311989971. The next prime is 127311990019. The reversal of 127311990010 is 10099113721.

It can be written as a sum of positive squares in 8 ways, for example, as 5732155521 + 121579834489 = 75711^2 + 348683^2 .

It is not an unprimeable number, because it can be changed into a prime (127311990019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12947776 + ... + 12957604.

Almost surely, 2^127311990010 is an apocalyptic number.

127311990010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127311990010 is a deficient number, since it is larger than the sum of its proper divisors (102355422230).

127311990010 is a wasteful number, since it uses less digits than its factorization.

127311990010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562.

The product of its (nonzero) digits is 3402, while the sum is 34.

The spelling of 127311990010 in words is "one hundred twenty-seven billion, three hundred eleven million, nine hundred ninety thousand, ten".