1201422044032 has 128 divisors (see below), whose sum is σ = 2756673216000. Its totient is φ = 510901364736.

The previous prime is 1201422043981. The next prime is 1201422044083. The reversal of 1201422044032 is 2304402241021.

It is an interprime number because it is at equal distance from previous prime (1201422043981) and next prime (1201422044083).

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1201422043988 and 1201422044006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66889069 + ... + 66907027.

It is an arithmetic number, because the mean of its divisors is an integer number (21536509500).

Almost surely, 2^{1201422044032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201422044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378336608000).

1201422044032 is an abundant number, since it is smaller than the sum of its proper divisors (1555251171968).

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

1201422044032 is a wasteful number, since it uses less digits than its factorization.

1201422044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556 (or 18544 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1201422044032 its reverse (2304402241021), we get a palindrome (3505824285053).

The spelling of 1201422044032 in words is "one trillion, two hundred one billion, four hundred twenty-two million, forty-four thousand, thirty-two".