321214004212 has 12 divisors (see below), whose sum is σ = 562135790916. Its totient is φ = 160603778240.

The previous prime is 321214004197. The next prime is 321214004227. The reversal of 321214004212 is 212400412123.

It is an interprime number because it is at equal distance from previous prime (321214004197) and next prime (321214004227).

It can be written as a sum of positive squares in 2 ways, for example, as 157645526116 + 163568478096 = 397046^2 + 404436^2 .

It is a super-3 number, since 3×321214004212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574393 + ... + 986080.

It is an arithmetic number, because the mean of its divisors is an integer number (46844649243).

Almost surely, 2^321214004212 is an apocalyptic number.

It is an amenable number.

321214004212 is a deficient number, since it is larger than the sum of its proper divisors (240921786704).

321214004212 is a wasteful number, since it uses less digits than its factorization.

321214004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611938 (or 1611936 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 321214004212 its reverse (212400412123), we get a palindrome (533614416335).

The spelling of 321214004212 in words is "three hundred twenty-one billion, two hundred fourteen million, four thousand, two hundred twelve".