321223211120040 has 64 divisors (see below), whose sum is σ = 963680515392960. Its totient is φ = 85658555673600.

The previous prime is 321223211120017. The next prime is 321223211120099. The reversal of 321223211120040 is 40021112322123.

It is a super-2 number, since 2×321223211120040² (a number of 30 digits) contains 22 as substring.

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

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, 4411486 + ... + 25727565.

It is an arithmetic number, because the mean of its divisors is an integer number (15057508053015).

Almost surely, 2^{321223211120040} is an apocalyptic number.

321223211120040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321223211120040 is an abundant number, since it is smaller than the sum of its proper divisors (642457304272920).

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

321223211120040 is a wasteful number, since it uses less digits than its factorization.

321223211120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30227882 (or 30227878 counting only the distinct ones).

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

Adding to 321223211120040 its reverse (40021112322123), we get a palindrome (361244323442163).

The spelling of 321223211120040 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, two hundred eleven million, one hundred twenty thousand, forty".