2123231013212 has 12 divisors (see below), whose sum is σ = 3715666122336. Its totient is φ = 1061612121120.

The previous prime is 2123231013209. The next prime is 2123231013229. The reversal of 2123231013212 is 2123101323212.

It is a super-2 number, since 2×2123231013212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023968 + ... + 2301080.

It is an arithmetic number, because the mean of its divisors is an integer number (309638843528).

Almost surely, 2^{2123231013212} is an apocalyptic number.

It is an amenable number.

2123231013212 is a deficient number, since it is larger than the sum of its proper divisors (1592435109124).

2123231013212 is a wasteful number, since it uses less digits than its factorization.

2123231013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692748 (or 1692746 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2123231013212 its reverse (2123101323212), we get a palindrome (4246332336424).

The spelling of 2123231013212 in words is "two trillion, one hundred twenty-three billion, two hundred thirty-one million, thirteen thousand, two hundred twelve".