1021232434042 has 16 divisors (see below), whose sum is σ = 1532485386432. Its totient is φ = 510404025600.

The previous prime is 1021232434021. The next prime is 1021232434073. The reversal of 1021232434042 is 2404342321201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021232434042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68425993 + ... + 68440915.

It is an arithmetic number, because the mean of its divisors is an integer number (95780336652).

Almost surely, 2^{1021232434042} is an apocalyptic number.

1021232434042 is a deficient number, since it is larger than the sum of its proper divisors (511252952390).

1021232434042 is a wasteful number, since it uses less digits than its factorization.

1021232434042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1021232434042 its reverse (2404342321201), we get a palindrome (3425574755243).

The spelling of 1021232434042 in words is "one trillion, twenty-one billion, two hundred thirty-two million, four hundred thirty-four thousand, forty-two".