321202043001142 has 4 divisors (see below), whose sum is σ = 481803064501716. Its totient is φ = 160601021500570.

The previous prime is 321202043001139. The next prime is 321202043001269. The reversal of 321202043001142 is 241100340202123.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80300510750284 + ... + 80300510750287.

It is an arithmetic number, because the mean of its divisors is an integer number (120450766125429).

Almost surely, 2^{321202043001142} is an apocalyptic number.

321202043001142 is a deficient number, since it is larger than the sum of its proper divisors (160601021500574).

321202043001142 is a wasteful number, since it uses less digits than its factorization.

321202043001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160601021500573.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321202043001142 its reverse (241100340202123), we get a palindrome (562302383203265).

The spelling of 321202043001142 in words is "three hundred twenty-one trillion, two hundred two billion, forty-three million, one thousand, one hundred forty-two".