1211212102323 has 8 divisors (see below), whose sum is σ = 1629241058448. Its totient is φ = 800328940544.

The previous prime is 1211212102259. The next prime is 1211212102363. The reversal of 1211212102323 is 3232012121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211212102323 - 2⁶ = 1211212102259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211212102323.

It is not an unprimeable number, because it can be changed into a prime (1211212102363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786448190 + ... + 1786448867.

It is an arithmetic number, because the mean of its divisors is an integer number (203655132306).

Almost surely, 2^{1211212102323} is an apocalyptic number.

1211212102323 is a deficient number, since it is larger than the sum of its proper divisors (418028956125).

1211212102323 is a wasteful number, since it uses less digits than its factorization.

1211212102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572897173.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1211212102323 its reverse (3232012121121), we get a palindrome (4443224223444).

The spelling of 1211212102323 in words is "one trillion, two hundred eleven billion, two hundred twelve million, one hundred two thousand, three hundred twenty-three".