1323212100212 has 12 divisors (see below), whose sum is σ = 2316318045216. Its totient is φ = 661406944440.

The previous prime is 1323212100209. The next prime is 1323212100229. The reversal of 1323212100212 is 2120012123231.

It is a super-5 number, since 5×1323212100212⁵ (a number of 62 digits) contains 55555 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, 49761464 + ... + 49788047.

It is an arithmetic number, because the mean of its divisors is an integer number (193026503768).

Almost surely, 2^{1323212100212} is an apocalyptic number.

It is an amenable number.

1323212100212 is a deficient number, since it is larger than the sum of its proper divisors (993105945004).

1323212100212 is a wasteful number, since it uses less digits than its factorization.

1323212100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99552838 (or 99552836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1323212100212 its reverse (2120012123231), we get a palindrome (3443224223443).

The spelling of 1323212100212 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred thousand, two hundred twelve".