127812905760970 has 16 divisors (see below), whose sum is σ = 232648210487880. Its totient is φ = 50550722278144.

The previous prime is 127812905760959. The next prime is 127812905760977. The reversal of 127812905760970 is 79067509218721.

It is a Cunningham number, because it is equal to 11305437²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 46012656927169 + 81800248833801 = 6783263^2 + 9044349^2 .

It is a super-2 number, since 2×127812905760970² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127812905760977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71805002347 + ... + 71805004126.

Almost surely, 2^{127812905760970} is an apocalyptic number.

127812905760970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127812905760970 is a deficient number, since it is larger than the sum of its proper divisors (104835304726910).

127812905760970 is a wasteful number, since it uses less digits than its factorization.

127812905760970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143610006569.

The product of its (nonzero) digits is 26671680, while the sum is 64.

The spelling of 127812905760970 in words is "one hundred twenty-seven trillion, eight hundred twelve billion, nine hundred five million, seven hundred sixty thousand, nine hundred seventy".