321012132230040 has 64 divisors (see below), whose sum is σ = 963045549813600. Its totient is φ = 85602421650432.

The previous prime is 321012132230011. The next prime is 321012132230077. The reversal of 321012132230040 is 40032231210123.

It is a super-3 number, since 3×321012132230040³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 18516 + ... + 25338204.

Almost surely, 2^{321012132230040} is an apocalyptic number.

321012132230040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321012132230040 is an abundant number, since it is smaller than the sum of its proper divisors (642033417583560).

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

321012132230040 is a wasteful number, since it uses less digits than its factorization.

321012132230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425356 (or 25425352 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321012132230040 its reverse (40032231210123), we get a palindrome (361044363440163).

The spelling of 321012132230040 in words is "three hundred twenty-one trillion, twelve billion, one hundred thirty-two million, two hundred thirty thousand, forty".