1203421031144 has 192 divisors, whose sum is σ = 2526440716800. Its totient is φ = 535993742592.

The previous prime is 1203421031143. The next prime is 1203421031179. The reversal of 1203421031144 is 4411301243021.

It is not an unprimeable number, because it can be changed into a prime (1203421031143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 552280247 + ... + 552282425.

It is an arithmetic number, because the mean of its divisors is an integer number (13158545400).

Almost surely, 2^{1203421031144} is an apocalyptic number.

It is an amenable number.

1203421031144 is an abundant number, since it is smaller than the sum of its proper divisors (1323019685656).

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

1203421031144 is a wasteful number, since it uses less digits than its factorization.

1203421031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1203421031144 its reverse (4411301243021), we get a palindrome (5614722274165).

The spelling of 1203421031144 in words is "one trillion, two hundred three billion, four hundred twenty-one million, thirty-one thousand, one hundred forty-four".