1321034421234 has 32 divisors (see below), whose sum is σ = 2898181016640. Its totient is φ = 398101780800.

The previous prime is 1321034421199. The next prime is 1321034421263. The reversal of 1321034421234 is 4321244301231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55279969 + ... + 55303860.

It is an arithmetic number, because the mean of its divisors is an integer number (90568156770).

Almost surely, 2^{1321034421234} is an apocalyptic number.

1321034421234 is an abundant number, since it is smaller than the sum of its proper divisors (1577146595406).

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

1321034421234 is a wasteful number, since it uses less digits than its factorization.

1321034421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110584026.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1321034421234 its reverse (4321244301231), we get a palindrome (5642278722465).

The spelling of 1321034421234 in words is "one trillion, three hundred twenty-one billion, thirty-four million, four hundred twenty-one thousand, two hundred thirty-four".