1203012423042 has 128 divisors (see below), whose sum is σ = 2609553408000. Its totient is φ = 368494733376.

The previous prime is 1203012423031. The next prime is 1203012423073. The reversal of 1203012423042 is 2403242103021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 767716143 + ... + 767717709.

It is an arithmetic number, because the mean of its divisors is an integer number (20387136000).

Almost surely, 2^{1203012423042} is an apocalyptic number.

1203012423042 is an abundant number, since it is smaller than the sum of its proper divisors (1406540984958).

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

1203012423042 is a wasteful number, since it uses less digits than its factorization.

1203012423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1203012423042 its reverse (2403242103021), we get a palindrome (3606254526063).

The spelling of 1203012423042 in words is "one trillion, two hundred three billion, twelve million, four hundred twenty-three thousand, forty-two".