322121120212 has 6 divisors (see below), whose sum is σ = 563711960378. Its totient is φ = 161060560104.

The previous prime is 322121120201. The next prime is 322121120221. The reversal of 322121120212 is 212021121223.

It can be written as a sum of positive squares in only one way, i.e., 238255276996 + 83865843216 = 488114^2 + 289596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 322121120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265140023 + ... + 40265140030.

Almost surely, 2^322121120212 is an apocalyptic number.

It is an amenable number.

322121120212 is a deficient number, since it is larger than the sum of its proper divisors (241590840166).

322121120212 is a wasteful number, since it uses less digits than its factorization.

322121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80530280057 (or 80530280055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 322121120212 its reverse (212021121223), we get a palindrome (534142241435).

It can be divided in two parts, 3221211 and 20212, that added together give a palindrome (3241423).

The spelling of 322121120212 in words is "three hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".