1270688881251 has 32 divisors (see below), whose sum is σ = 1712561156928. Its totient is φ = 838019727360.

The previous prime is 1270688881223. The next prime is 1270688881261. The reversal of 1270688881251 is 1521888860721.

It is not a de Polignac number, because 1270688881251 - 2⁷ = 1270688881123 is a prime.

It is a super-2 number, since 2×1270688881251² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270688881191 and 1270688881200.

It is not an unprimeable number, because it can be changed into a prime (1270688881261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145366741 + ... + 145375481.

It is an arithmetic number, because the mean of its divisors is an integer number (53517536154).

Almost surely, 2^{1270688881251} is an apocalyptic number.

1270688881251 is a deficient number, since it is larger than the sum of its proper divisors (441872275677).

1270688881251 is a wasteful number, since it uses less digits than its factorization.

1270688881251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its (nonzero) digits is 3440640, while the sum is 57.

The spelling of 1270688881251 in words is "one trillion, two hundred seventy billion, six hundred eighty-eight million, eight hundred eighty-one thousand, two hundred fifty-one".