1211342424042 has 16 divisors (see below), whose sum is σ = 2456807170752. Its totient is φ = 398093754240.

The previous prime is 1211342424001. The next prime is 1211342424059. The reversal of 1211342424042 is 2404242431121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421762983 + ... + 1421763834.

It is an arithmetic number, because the mean of its divisors is an integer number (153550448172).

Almost surely, 2^{1211342424042} is an apocalyptic number.

1211342424042 is an abundant number, since it is smaller than the sum of its proper divisors (1245464746710).

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

1211342424042 is a wasteful number, since it uses less digits than its factorization.

1211342424042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843526893.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1211342424042 its reverse (2404242431121), we get a palindrome (3615584855163).

The spelling of 1211342424042 in words is "one trillion, two hundred eleven billion, three hundred forty-two million, four hundred twenty-four thousand, forty-two".