101312223212 has 6 divisors (see below), whose sum is σ = 177296390628. Its totient is φ = 50656111604.

The previous prime is 101312223209. The next prime is 101312223241. The reversal of 101312223212 is 212322213101.

It is a super-2 number, since 2×101312223212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12664027898 + ... + 12664027905.

It is an arithmetic number, because the mean of its divisors is an integer number (29549398438).

Almost surely, 2^101312223212 is an apocalyptic number.

It is an amenable number.

101312223212 is a deficient number, since it is larger than the sum of its proper divisors (75984167416).

101312223212 is a wasteful number, since it uses less digits than its factorization.

101312223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328055807 (or 25328055805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101312223212 its reverse (212322213101), we get a palindrome (313634436313).

The spelling of 101312223212 in words is "one hundred one billion, three hundred twelve million, two hundred twenty-three thousand, two hundred twelve".