1321012140234 has 8 divisors (see below), whose sum is σ = 2642024280480. Its totient is φ = 440337380076.

The previous prime is 1321012140191. The next prime is 1321012140251. The reversal of 1321012140234 is 4320412101231.

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

1321012140234 is an admirable number.

It is a super-2 number, since 2×1321012140234² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110084345014 + ... + 110084345025.

It is an arithmetic number, because the mean of its divisors is an integer number (330253035060).

Almost surely, 2^{1321012140234} is an apocalyptic number.

1321012140234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1321012140234 is a wasteful number, since it uses less digits than its factorization.

1321012140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220168690044.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1321012140234 its reverse (4320412101231), we get a palindrome (5641424241465).

The spelling of 1321012140234 in words is "one trillion, three hundred twenty-one billion, twelve million, one hundred forty thousand, two hundred thirty-four".