1203421031042 has 8 divisors (see below), whose sum is σ = 1832073808656. Its totient is φ = 592729761492.

The previous prime is 1203421031041. The next prime is 1203421031051. The reversal of 1203421031042 is 2401301243021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1203421030999 and 1203421031017.

It is not an unprimeable number, because it can be changed into a prime (1203421031041) 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, 4490376848 + ... + 4490377115.

It is an arithmetic number, because the mean of its divisors is an integer number (229009226082).

Almost surely, 2^{1203421031042} is an apocalyptic number.

1203421031042 is a deficient number, since it is larger than the sum of its proper divisors (628652777614).

1203421031042 is an equidigital number, since it uses as much as digits as its factorization.

1203421031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980754032.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1203421031042 its reverse (2401301243021), we get a palindrome (3604722274063).

The spelling of 1203421031042 in words is "one trillion, two hundred three billion, four hundred twenty-one million, thirty-one thousand, forty-two".