321012102400022 has 32 divisors (see below), whose sum is σ = 531968508487584. Its totient is φ = 144067300070400.

The previous prime is 321012102399953. The next prime is 321012102400063. The reversal of 321012102400022 is 220004201210123.

It is a junction number, because it is equal to n+sod(n) for n = 321012102399967 and 321012102400003.

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, 177756473 + ... + 179553300.

It is an arithmetic number, because the mean of its divisors is an integer number (16624015890237).

Almost surely, 2^{321012102400022} is an apocalyptic number.

321012102400022 is a deficient number, since it is larger than the sum of its proper divisors (210956406087562).

321012102400022 is a wasteful number, since it uses less digits than its factorization.

321012102400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357310304.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 321012102400022 its reverse (220004201210123), we get a palindrome (541016303610145).

The spelling of 321012102400022 in words is "three hundred twenty-one trillion, twelve billion, one hundred two million, four hundred thousand, twenty-two".