10101009312 has 48 divisors (see below), whose sum is σ = 29461279680. Its totient is φ = 3367002816.

The previous prime is 10101009241. The next prime is 10101009397. The reversal of 10101009312 is 21390010101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10101009312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844628 + ... + 5846355.

It is an arithmetic number, because the mean of its divisors is an integer number (613776660).

Almost surely, 2^10101009312 is an apocalyptic number.

10101009312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101009312 is an abundant number, since it is smaller than the sum of its proper divisors (19360270368).

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

10101009312 is a wasteful number, since it uses less digits than its factorization.

10101009312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691002 (or 11690988 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 10101009312 its reverse (21390010101), we get a palindrome (31491019413).

The spelling of 10101009312 in words is "ten billion, one hundred one million, nine thousand, three hundred twelve".