101013123012 has 12 divisors (see below), whose sum is σ = 235697287056. Its totient is φ = 33671041000.

The previous prime is 101013122981. The next prime is 101013123037. The reversal of 101013123012 is 210321310101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101013122982 and 101013123000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208880114 + ... + 4208880137.

It is an arithmetic number, because the mean of its divisors is an integer number (19641440588).

Almost surely, 2^101013123012 is an apocalyptic number.

101013123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101013123012 is an abundant number, since it is smaller than the sum of its proper divisors (134684164044).

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

101013123012 is a wasteful number, since it uses less digits than its factorization.

101013123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417760258 (or 8417760256 counting only the distinct ones).

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

Adding to 101013123012 its reverse (210321310101), we get a palindrome (311334433113).

The spelling of 101013123012 in words is "one hundred one billion, thirteen million, one hundred twenty-three thousand, twelve".