101012312 has 8 divisors (see below), whose sum is σ = 189398100. Its totient is φ = 50506152.

The previous prime is 101012293. The next prime is 101012321. The reversal of 101012312 is 213210101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 101012293 and 101012302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313262 + ... + 6313277.

Almost surely, 2^101012312 is an apocalyptic number.

It is an amenable number.

101012312 is a deficient number, since it is larger than the sum of its proper divisors (88385788).

101012312 is a wasteful number, since it uses less digits than its factorization.

101012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626545 (or 12626541 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101012312 is about 10050.4881473489. The cubic root of 101012312 is about 465.7198731472.

Adding to 101012312 its reverse (213210101), we get a palindrome (314222413).

The spelling of 101012312 in words is "one hundred one million, twelve thousand, three hundred twelve".