1133123031212 has 6 divisors (see below), whose sum is σ = 1982965304628. Its totient is φ = 566561515604.

The previous prime is 1133123031191. The next prime is 1133123031221. The reversal of 1133123031212 is 2121303213311.

It is a super-2 number, since 2×1133123031212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141640378898 + ... + 141640378905.

It is an arithmetic number, because the mean of its divisors is an integer number (330494217438).

Almost surely, 2^{1133123031212} is an apocalyptic number.

It is an amenable number.

1133123031212 is a deficient number, since it is larger than the sum of its proper divisors (849842273416).

1133123031212 is a wasteful number, since it uses less digits than its factorization.

1133123031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283280757807 (or 283280757805 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1133123031212 its reverse (2121303213311), we get a palindrome (3254426244523).

The spelling of 1133123031212 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-three million, thirty-one thousand, two hundred twelve".