1213233524055 has 40 divisors (see below), whose sum is σ = 2485523923872. Its totient is φ = 554621038272.

The previous prime is 1213233524047. The next prime is 1213233524119. The reversal of 1213233524055 is 5504253323121.

1213233524055 is a `hidden beast` number, since 1 + 2 + 1 + 32 + 335 + 240 + 55 = 666.

It is not a de Polignac number, because 1213233524055 - 2³ = 1213233524047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 213971332 + ... + 213977001.

Almost surely, 2^{1213233524055} is an apocalyptic number.

1213233524055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213233524055 is an abundant number, since it is smaller than the sum of its proper divisors (1272290399817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213233524055 is an equidigital number, since it uses as much as digits as its factorization.

1213233524055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427948357 (or 427948348 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1213233524055 its reverse (5504253323121), we get a palindrome (6717486847176).

The spelling of 1213233524055 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, five hundred twenty-four thousand, fifty-five".