1251312412411 has 8 divisors (see below), whose sum is σ = 1265637895200. Its totient is φ = 1237016018688.

The previous prime is 1251312412409. The next prime is 1251312412481. The reversal of 1251312412411 is 1142142131521.

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

It is a cyclic number.

It is not a de Polignac number, because 1251312412411 - 2¹ = 1251312412409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1251312412411.

It is not an unprimeable number, because it can be changed into a prime (1251312412481) 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, 7185736 + ... + 7357813.

It is an arithmetic number, because the mean of its divisors is an integer number (158204736900).

Almost surely, 2^{1251312412411} is an apocalyptic number.

1251312412411 is a deficient number, since it is larger than the sum of its proper divisors (14325482789).

1251312412411 is an equidigital number, since it uses as much as digits as its factorization.

1251312412411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544533.

The product of its digits is 1920, while the sum is 28.

Adding to 1251312412411 its reverse (1142142131521), we get a palindrome (2393454543932).

The spelling of 1251312412411 in words is "one trillion, two hundred fifty-one billion, three hundred twelve million, four hundred twelve thousand, four hundred eleven".