1255102013213 has 16 divisors (see below), whose sum is σ = 1339115405760. Its totient is φ = 1172242181376.

The previous prime is 1255102013189. The next prime is 1255102013219. The reversal of 1255102013213 is 3123102015521.

It is a cyclic number.

It is not a de Polignac number, because 1255102013213 - 2¹⁸ = 1255101751069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255102013219) 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, 1482431 + ... + 2169747.

It is an arithmetic number, because the mean of its divisors is an integer number (83694712860).

Almost surely, 2^{1255102013213} is an apocalyptic number.

It is an amenable number.

1255102013213 is a deficient number, since it is larger than the sum of its proper divisors (84013392547).

1255102013213 is a wasteful number, since it uses less digits than its factorization.

1255102013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688156.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1255102013213 its reverse (3123102015521), we get a palindrome (4378204028734).

The spelling of 1255102013213 in words is "one trillion, two hundred fifty-five billion, one hundred two million, thirteen thousand, two hundred thirteen".