11212333121232 has 30 divisors (see below), whose sum is σ = 31378960054962. Its totient is φ = 3737444373696.

The previous prime is 11212333121179. The next prime is 11212333121237. The reversal of 11212333121232 is 23212133321211.

11212333121232 is a `hidden beast` number, since 11 + 212 + 3 + 3 + 312 + 123 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11200829271696 + 11503849536 = 3346764^2 + 107256^2 .

It is a super-2 number, since 2×11212333121232² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11212333121196 and 11212333121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212333121237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38931712083 + ... + 38931712370.

Almost surely, 2^{11212333121232} is an apocalyptic number.

11212333121232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212333121232 is an abundant number, since it is smaller than the sum of its proper divisors (20166626933730).

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

11212333121232 is a wasteful number, since it uses less digits than its factorization.

11212333121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77863424467 (or 77863424458 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 11212333121232 its reverse (23212133321211), we get a palindrome (34424466442443).

The spelling of 11212333121232 in words is "eleven trillion, two hundred twelve billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty-two".