212012101323 has 32 divisors (see below), whose sum is σ = 343379761920. Its totient is φ = 128216954880.

The previous prime is 212012101303. The next prime is 212012101339. The reversal of 212012101323 is 323101210212.

It is not a de Polignac number, because 212012101323 - 2⁵ = 212012101291 is a prime.

It is a super-2 number, since 2×212012101323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012101296 and 212012101305.

It is not an unprimeable number, because it can be changed into a prime (212012101303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625590 + ... + 902987.

It is an arithmetic number, because the mean of its divisors is an integer number (10730617560).

Almost surely, 2^212012101323 is an apocalyptic number.

212012101323 is a deficient number, since it is larger than the sum of its proper divisors (131367660597).

212012101323 is a wasteful number, since it uses less digits than its factorization.

212012101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529064 (or 1529058 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212012101323 its reverse (323101210212), we get a palindrome (535113311535).

The spelling of 212012101323 in words is "two hundred twelve billion, twelve million, one hundred one thousand, three hundred twenty-three".