1201422344144 has 20 divisors (see below), whose sum is σ = 2539369955040. Its totient is φ = 546101065440.

The previous prime is 1201422344053. The next prime is 1201422344147. The reversal of 1201422344144 is 4414432241021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201422344144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201422344147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413131484 + ... + 3413131835.

It is an arithmetic number, because the mean of its divisors is an integer number (126968497752).

Almost surely, 2^{1201422344144} is an apocalyptic number.

It is an amenable number.

1201422344144 is an abundant number, since it is smaller than the sum of its proper divisors (1337947610896).

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

1201422344144 is a wasteful number, since it uses less digits than its factorization.

1201422344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826263338 (or 6826263332 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1201422344144 its reverse (4414432241021), we get a palindrome (5615854585165).

The spelling of 1201422344144 in words is "one trillion, two hundred one billion, four hundred twenty-two million, three hundred forty-four thousand, one hundred forty-four".