1211140233042 has 8 divisors (see below), whose sum is σ = 2422280466096. Its totient is φ = 403713411012.

The previous prime is 1211140233013. The next prime is 1211140233047. The reversal of 1211140233042 is 2403320411121.

It is a sphenic number, since it is the product of 3 distinct primes.

1211140233042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1211140233047) 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 3 ways as a sum of consecutive naturals, for example, 100928352748 + ... + 100928352759.

It is an arithmetic number, because the mean of its divisors is an integer number (302785058262).

Almost surely, 2^{1211140233042} is an apocalyptic number.

1211140233042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1211140233042 is a wasteful number, since it uses less digits than its factorization.

1211140233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201856705512.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1211140233042 its reverse (2403320411121), we get a palindrome (3614460644163).

The spelling of 1211140233042 in words is "one trillion, two hundred eleven billion, one hundred forty million, two hundred thirty-three thousand, forty-two".