321040120041012 has 48 divisors (see below), whose sum is σ = 752920132833792. Its totient is φ = 106466762371200.

The previous prime is 321040120040993. The next prime is 321040120041049. The reversal of 321040120041012 is 210140021040123.

It is a self number, because there is not a number n which added to its sum of digits gives 321040120041012.

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, 72512262 + ... + 76812162.

It is an arithmetic number, because the mean of its divisors is an integer number (15685836100704).

Almost surely, 2^{321040120041012} is an apocalyptic number.

It is an amenable number.

321040120041012 is an abundant number, since it is smaller than the sum of its proper divisors (431880012792780).

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

321040120041012 is a wasteful number, since it uses less digits than its factorization.

321040120041012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331688 (or 4331686 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 321040120041012 its reverse (210140021040123), we get a palindrome (531180141081135).

The spelling of 321040120041012 in words is "three hundred twenty-one trillion, forty billion, one hundred twenty million, forty-one thousand, twelve".