1203430422144 has 128 divisors (see below), whose sum is σ = 3401660016000. Its totient is φ = 375649173504.

The previous prime is 1203430422143. The next prime is 1203430422191. The reversal of 1203430422144 is 4412240343021.

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

It is not an unprimeable number, because it can be changed into a prime (1203430422143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835884 + ... + 1762260.

It is an arithmetic number, because the mean of its divisors is an integer number (26575468875).

Almost surely, 2^{1203430422144} 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 1203430422144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700830008000).

1203430422144 is an abundant number, since it is smaller than the sum of its proper divisors (2198229593856).

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

1203430422144 is a wasteful number, since it uses less digits than its factorization.

1203430422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926610 (or 926598 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1203430422144 its reverse (4412240343021), we get a palindrome (5615670765165).

The spelling of 1203430422144 in words is "one trillion, two hundred three billion, four hundred thirty million, four hundred twenty-two thousand, one hundred forty-four".