2111212323212 has 6 divisors (see below), whose sum is σ = 3694621565628. Its totient is φ = 1055606161604.

The previous prime is 2111212323161. The next prime is 2111212323221. The reversal of 2111212323212 is 2123232121112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263901540398 + ... + 263901540405.

It is an arithmetic number, because the mean of its divisors is an integer number (615770260938).

Almost surely, 2^{2111212323212} is an apocalyptic number.

It is an amenable number.

2111212323212 is a deficient number, since it is larger than the sum of its proper divisors (1583409242416).

2111212323212 is a wasteful number, since it uses less digits than its factorization.

2111212323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527803080807 (or 527803080805 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 2111212323212 its reverse (2123232121112), we get a palindrome (4234444444324).

The spelling of 2111212323212 in words is "two trillion, one hundred eleven billion, two hundred twelve million, three hundred twenty-three thousand, two hundred twelve".