1214440203144 has 64 divisors (see below), whose sum is σ = 3581759139840. Its totient is φ = 335789916480.

The previous prime is 1214440203139. The next prime is 1214440203169. The reversal of 1214440203144 is 4413020444121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116588514 + ... + 116598929.

It is an arithmetic number, because the mean of its divisors is an integer number (55964986560).

Almost surely, 2^{1214440203144} is an apocalyptic number.

1214440203144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1214440203144 is an abundant number, since it is smaller than the sum of its proper divisors (2367318936696).

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

1214440203144 is a wasteful number, since it uses less digits than its factorization.

1214440203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233187490 (or 233187486 counting only the distinct ones).

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

Adding to 1214440203144 its reverse (4413020444121), we get a palindrome (5627460647265).

The spelling of 1214440203144 in words is "one trillion, two hundred fourteen billion, four hundred forty million, two hundred three thousand, one hundred forty-four".