1312100424551 has 16 divisors (see below), whose sum is σ = 1506586252800. Its totient is φ = 1119386679840.

The previous prime is 1312100424527. The next prime is 1312100424599. The reversal of 1312100424551 is 1554240012131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312100424551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312100424751) 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, 915185 + ... + 1860581.

It is an arithmetic number, because the mean of its divisors is an integer number (94161640800).

Almost surely, 2^{1312100424551} is an apocalyptic number.

1312100424551 is a deficient number, since it is larger than the sum of its proper divisors (194485828249).

1312100424551 is an equidigital number, since it uses as much as digits as its factorization.

1312100424551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946334.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1312100424551 its reverse (1554240012131), we get a palindrome (2866340436682).

The spelling of 1312100424551 in words is "one trillion, three hundred twelve billion, one hundred million, four hundred twenty-four thousand, five hundred fifty-one".