101213100312 has 32 divisors (see below), whose sum is σ = 253926876480. Its totient is φ = 33618483360.

The previous prime is 101213100283. The next prime is 101213100319. The reversal of 101213100312 is 213001312101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101213100291 and 101213100300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213100319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7444114 + ... + 7457697.

It is an arithmetic number, because the mean of its divisors is an integer number (7935214890).

Almost surely, 2^101213100312 is an apocalyptic number.

101213100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101213100312 is an abundant number, since it is smaller than the sum of its proper divisors (152713776168).

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

101213100312 is a wasteful number, since it uses less digits than its factorization.

101213100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14902103 (or 14902099 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101213100312 its reverse (213001312101), we get a palindrome (314214412413).

The spelling of 101213100312 in words is "one hundred one billion, two hundred thirteen million, one hundred thousand, three hundred twelve".