1203123041142 has 64 divisors (see below), whose sum is σ = 2715062353920. Its totient is φ = 352120269600.

The previous prime is 1203123041129. The next prime is 1203123041177. The reversal of 1203123041142 is 2411403213021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444609 + ... + 1613667.

It is an arithmetic number, because the mean of its divisors is an integer number (42422849280).

Almost surely, 2^{1203123041142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203123041142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357531176960).

1203123041142 is an abundant number, since it is smaller than the sum of its proper divisors (1511939312778).

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

1203123041142 is a wasteful number, since it uses less digits than its factorization.

1203123041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169609.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1203123041142 its reverse (2411403213021), we get a palindrome (3614526254163).

The spelling of 1203123041142 in words is "one trillion, two hundred three billion, one hundred twenty-three million, forty-one thousand, one hundred forty-two".