1200402310042 has 8 divisors (see below), whose sum is σ = 1939111423956. Its totient is φ = 554031835392.

The previous prime is 1200402309989. The next prime is 1200402310061. The reversal of 1200402310042 is 2400132040021.

It can be written as a sum of positive squares in 2 ways, for example, as 1152335693961 + 48066616081 = 1073469^2 + 219241^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23084659783 + ... + 23084659834.

Almost surely, 2^{1200402310042} is an apocalyptic number.

1200402310042 is a deficient number, since it is larger than the sum of its proper divisors (738709113914).

1200402310042 is a wasteful number, since it uses less digits than its factorization.

1200402310042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46169319632.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1200402310042 its reverse (2400132040021), we get a palindrome (3600534350063).

The spelling of 1200402310042 in words is "one trillion, two hundred billion, four hundred two million, three hundred ten thousand, forty-two".