1252211655134 has 96 divisors (see below), whose sum is σ = 2258905622400. Its totient is φ = 518156654400.

The previous prime is 1252211655073. The next prime is 1252211655137. The reversal of 1252211655134 is 4315561122521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252211655137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28112909 + ... + 28157415.

It is an arithmetic number, because the mean of its divisors is an integer number (23530266900).

Almost surely, 2^{1252211655134} is an apocalyptic number.

1252211655134 is a deficient number, since it is larger than the sum of its proper divisors (1006693967266).

1252211655134 is a wasteful number, since it uses less digits than its factorization.

1252211655134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44790 (or 44779 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

Adding to 1252211655134 its reverse (4315561122521), we get a palindrome (5567772777655).

The spelling of 1252211655134 in words is "one trillion, two hundred fifty-two billion, two hundred eleven million, six hundred fifty-five thousand, one hundred thirty-four".