1272145285310 has 8 divisors (see below), whose sum is σ = 2289861513576. Its totient is φ = 508858114120.

The previous prime is 1272145285289. The next prime is 1272145285379. The reversal of 1272145285310 is 135825412721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1272145285310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63607264256 + ... + 63607264275.

It is an arithmetic number, because the mean of its divisors is an integer number (286232689197).

Almost surely, 2^{1272145285310} is an apocalyptic number.

1272145285310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272145285310 is a deficient number, since it is larger than the sum of its proper divisors (1017716228266).

1272145285310 is a wasteful number, since it uses less digits than its factorization.

1272145285310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127214528538.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 1272145285310 in words is "one trillion, two hundred seventy-two billion, one hundred forty-five million, two hundred eighty-five thousand, three hundred ten".