1133131123212 has 24 divisors (see below), whose sum is σ = 2884333768512. Its totient is φ = 343373067600.

The previous prime is 1133131123199. The next prime is 1133131123217. The reversal of 1133131123212 is 2123211313311.

It is a super-2 number, since 2×1133131123212² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1133131123217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292163214 + ... + 4292163477.

It is an arithmetic number, because the mean of its divisors is an integer number (120180573688).

Almost surely, 2^{1133131123212} is an apocalyptic number.

1133131123212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133131123212 is an abundant number, since it is smaller than the sum of its proper divisors (1751202645300).

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

1133131123212 is a wasteful number, since it uses less digits than its factorization.

1133131123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584326709 (or 8584326707 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

Adding to 1133131123212 its reverse (2123211313311), we get a palindrome (3256342436523).

The spelling of 1133131123212 in words is "one trillion, one hundred thirty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred twelve".