101223202312 has 16 divisors (see below), whose sum is σ = 189809293500. Its totient is φ = 50607390720.

The previous prime is 101223202261. The next prime is 101223202319. The reversal of 101223202312 is 213202322101.

It can be written as a sum of positive squares in 2 ways, for example, as 95225319396 + 5997882916 = 308586^2 + 77446^2 .

It is a super-2 number, since 2×101223202312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101223202312.

It is not an unprimeable number, because it can be changed into a prime (101223202319) 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, 422937 + ... + 617512.

Almost surely, 2^101223202312 is an apocalyptic number.

It is an amenable number.

101223202312 is a deficient number, since it is larger than the sum of its proper divisors (88586091188).

101223202312 is a wasteful number, since it uses less digits than its factorization.

101223202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052616 (or 1052612 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101223202312 its reverse (213202322101), we get a palindrome (314425524413).

The spelling of 101223202312 in words is "one hundred one billion, two hundred twenty-three million, two hundred two thousand, three hundred twelve".