1421323420042 has 16 divisors (see below), whose sum is σ = 2200860288000. Its totient is φ = 687705437520.

The previous prime is 1421323419961. The next prime is 1421323420079. The reversal of 1421323420042 is 2400243231241.

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, 856584 + ... + 1891132.

It is an arithmetic number, because the mean of its divisors is an integer number (137553768000).

Almost surely, 2^{1421323420042} is an apocalyptic number.

1421323420042 is a deficient number, since it is larger than the sum of its proper divisors (779536867958).

1421323420042 is a wasteful number, since it uses less digits than its factorization.

1421323420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056741.

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

Adding to 1421323420042 its reverse (2400243231241), we get a palindrome (3821566651283).

The spelling of 1421323420042 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-three million, four hundred twenty thousand, forty-two".