1240112221078 has 16 divisors (see below), whose sum is σ = 1930382480880. Its totient is φ = 596786292256.

The previous prime is 1240112221069. The next prime is 1240112221079. The reversal of 1240112221078 is 8701222110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240112221079) 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, 33705976 + ... + 33742747.

It is an arithmetic number, because the mean of its divisors is an integer number (120648905055).

Almost surely, 2^{1240112221078} is an apocalyptic number.

1240112221078 is a deficient number, since it is larger than the sum of its proper divisors (690270259802).

1240112221078 is a wasteful number, since it uses less digits than its factorization.

1240112221078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67449071.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 1240112221078 its reverse (8701222110421), we get a palindrome (9941334331499).

The spelling of 1240112221078 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty-one thousand, seventy-eight".