12122551133 has 48 divisors (see below), whose sum is σ = 16270517760. Its totient is φ = 8814627360.

The previous prime is 12122551127. The next prime is 12122551151. The reversal of 12122551133 is 33115522121.

It is not a de Polignac number, because 12122551133 - 2¹⁶ = 12122485597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122551123) 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, 1072610 + ... + 1083852.

It is an arithmetic number, because the mean of its divisors is an integer number (338969120).

Almost surely, 2^12122551133 is an apocalyptic number.

It is an amenable number.

12122551133 is a deficient number, since it is larger than the sum of its proper divisors (4147966627).

12122551133 is a wasteful number, since it uses less digits than its factorization.

12122551133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358 (or 11347 counting only the distinct ones).

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

The spelling of 12122551133 in words is "twelve billion, one hundred twenty-two million, five hundred fifty-one thousand, one hundred thirty-three".