101223131132312 has 32 divisors (see below), whose sum is σ = 219961733656320. Its totient is φ = 42770337096480.

The previous prime is 101223131132267. The next prime is 101223131132323. The reversal of 101223131132312 is 213231131322101.

It is a super-2 number, since 2×101223131132312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12729263018 + ... + 12729270969.

It is an arithmetic number, because the mean of its divisors is an integer number (6873804176760).

Almost surely, 2^{101223131132312} is an apocalyptic number.

It is an amenable number.

101223131132312 is an abundant number, since it is smaller than the sum of its proper divisors (118738602524008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101223131132312 is a wasteful number, since it uses less digits than its factorization.

101223131132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25458534071 (or 25458534067 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 101223131132312 its reverse (213231131322101), we get a palindrome (314454262454413).

The spelling of 101223131132312 in words is "one hundred one trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred twelve".