1211202214042 has 8 divisors (see below), whose sum is σ = 1816902616896. Its totient is φ = 605568008412.

The previous prime is 1211202213979. The next prime is 1211202214051. The reversal of 1211202214042 is 2404122021121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16503538 + ... + 16576765.

It is an arithmetic number, because the mean of its divisors is an integer number (227112827112).

Almost surely, 2^{1211202214042} is an apocalyptic number.

1211202214042 is a deficient number, since it is larger than the sum of its proper divisors (605700402854).

1211202214042 is a wasteful number, since it uses less digits than its factorization.

1211202214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33098612.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1211202214042 its reverse (2404122021121), we get a palindrome (3615324235163).

The spelling of 1211202214042 in words is "one trillion, two hundred eleven billion, two hundred two million, two hundred fourteen thousand, forty-two".