1214404401142 has 16 divisors (see below), whose sum is σ = 1900832290560. Its totient is φ = 580794343272.

The previous prime is 1214404401107. The next prime is 1214404401143. The reversal of 1214404401142 is 2411044044121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214404401142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214404401143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4832533 + ... + 5077615.

It is an arithmetic number, because the mean of its divisors is an integer number (118802018160).

Almost surely, 2^{1214404401142} is an apocalyptic number.

1214404401142 is a deficient number, since it is larger than the sum of its proper divisors (686427889418).

1214404401142 is a wasteful number, since it uses less digits than its factorization.

1214404401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352827.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1214404401142 its reverse (2411044044121), we get a palindrome (3625448445263).

The spelling of 1214404401142 in words is "one trillion, two hundred fourteen billion, four hundred four million, four hundred one thousand, one hundred forty-two".