1253012244135 has 32 divisors (see below), whose sum is σ = 2024298397440. Its totient is φ = 661784844288.

The previous prime is 1253012244091. The next prime is 1253012244139. The reversal of 1253012244135 is 5314422103521.

It is not a de Polignac number, because 1253012244135 - 2¹¹ = 1253012242087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253012244096 and 1253012244105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253012244139) 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, 4276776 + ... + 4560354.

It is an arithmetic number, because the mean of its divisors is an integer number (63259324920).

Almost surely, 2^{1253012244135} is an apocalyptic number.

1253012244135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253012244135 is a deficient number, since it is larger than the sum of its proper divisors (771286153305).

1253012244135 is a wasteful number, since it uses less digits than its factorization.

1253012244135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286447.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1253012244135 its reverse (5314422103521), we get a palindrome (6567434347656).

The spelling of 1253012244135 in words is "one trillion, two hundred fifty-three billion, twelve million, two hundred forty-four thousand, one hundred thirty-five".