12252040033155 has 32 divisors (see below), whose sum is σ = 21218370997824. Its totient is φ = 6001155396096.

The previous prime is 12252040033153. The next prime is 12252040033183. The reversal of 12252040033155 is 55133004025221.

It is not a de Polignac number, because 12252040033155 - 2¹ = 12252040033153 is a prime.

It is a super-2 number, since 2×12252040033155² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12252040033153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159431064 + ... + 159507893.

It is an arithmetic number, because the mean of its divisors is an integer number (663074093682).

Almost surely, 2^{12252040033155} is an apocalyptic number.

12252040033155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12252040033155 is a deficient number, since it is larger than the sum of its proper divisors (8966330964669).

12252040033155 is a wasteful number, since it uses less digits than its factorization.

12252040033155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318939175.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 12252040033155 its reverse (55133004025221), we get a palindrome (67385044058376).

The spelling of 12252040033155 in words is "twelve trillion, two hundred fifty-two billion, forty million, thirty-three thousand, one hundred fifty-five".