23210103212 has 12 divisors (see below), whose sum is σ = 40667893560. Its totient is φ = 11590705056.

The previous prime is 23210103211. The next prime is 23210103283. The reversal of 23210103212 is 21230101232.

It is a super-2 number, since 2×23210103212² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23210103211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582998 + ... + 3589469.

It is an arithmetic number, because the mean of its divisors is an integer number (3388991130).

Almost surely, 2^23210103212 is an apocalyptic number.

It is an amenable number.

23210103212 is a deficient number, since it is larger than the sum of its proper divisors (17457790348).

23210103212 is a wasteful number, since it uses less digits than its factorization.

23210103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173280 (or 7173278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23210103212 its reverse (21230101232), we get a palindrome (44440204444).

The spelling of 23210103212 in words is "twenty-three billion, two hundred ten million, one hundred three thousand, two hundred twelve".