122533511253 has 4 divisors (see below), whose sum is σ = 163378015008. Its totient is φ = 81689007500.

The previous prime is 122533511231. The next prime is 122533511299. The reversal of 122533511253 is 352115335221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122533511253 - 2²⁴ = 122516734037 is a prime.

It is a super-2 number, since 2×122533511253² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122533511153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20422251873 + ... + 20422251878.

It is an arithmetic number, because the mean of its divisors is an integer number (40844503752).

Almost surely, 2^122533511253 is an apocalyptic number.

It is an amenable number.

122533511253 is a deficient number, since it is larger than the sum of its proper divisors (40844503755).

122533511253 is an equidigital number, since it uses as much as digits as its factorization.

122533511253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40844503754.

The product of its digits is 27000, while the sum is 33.

Adding to 122533511253 its reverse (352115335221), we get a palindrome (474648846474).

The spelling of 122533511253 in words is "one hundred twenty-two billion, five hundred thirty-three million, five hundred eleven thousand, two hundred fifty-three".