12122311553253 has 48 divisors (see below), whose sum is σ = 19202529790080. Its totient is φ = 7308129484800.

The previous prime is 12122311553237. The next prime is 12122311553269. The reversal of 12122311553253 is 35235511322121.

12122311553253 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 3 + 115 + 532 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (12122311553237) and next prime (12122311553269).

It is not a de Polignac number, because 12122311553253 - 2⁴ = 12122311553237 is a prime.

It is a super-2 number, since 2×12122311553253² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122311553153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287176213 + ... + 287218421.

It is an arithmetic number, because the mean of its divisors is an integer number (400052703960).

Almost surely, 2^{12122311553253} is an apocalyptic number.

It is an amenable number.

12122311553253 is a deficient number, since it is larger than the sum of its proper divisors (7080218236827).

12122311553253 is a wasteful number, since it uses less digits than its factorization.

12122311553253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57450 (or 57447 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

Adding to 12122311553253 its reverse (35235511322121), we get a palindrome (47357822875374).

The spelling of 12122311553253 in words is "twelve trillion, one hundred twenty-two billion, three hundred eleven million, five hundred fifty-three thousand, two hundred fifty-three".