1321001023014 has 48 divisors (see below), whose sum is σ = 2873770099200. Its totient is φ = 438549712368.

The previous prime is 1321001022967. The next prime is 1321001023021. The reversal of 1321001023014 is 4103201001231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20129347 + ... + 20194865.

It is an arithmetic number, because the mean of its divisors is an integer number (59870210400).

Almost surely, 2^{1321001023014} is an apocalyptic number.

1321001023014 is an abundant number, since it is smaller than the sum of its proper divisors (1552769076186).

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

1321001023014 is a wasteful number, since it uses less digits than its factorization.

1321001023014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70049 (or 70046 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1321001023014 its reverse (4103201001231), we get a palindrome (5424202024245).

The spelling of 1321001023014 in words is "one trillion, three hundred twenty-one billion, one million, twenty-three thousand, fourteen".