10103113212012 has 18 divisors (see below), whose sum is σ = 25538425063788. Its totient is φ = 3367704403992.

The previous prime is 10103113211959. The next prime is 10103113212013. The reversal of 10103113212012 is 21021231130101.

10103113212012 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 311 + 321 + 20 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×10103113212012³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (10103113212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140321016798 + ... + 140321016869.

Almost surely, 2^{10103113212012} is an apocalyptic number.

10103113212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10103113212012 is an abundant number, since it is smaller than the sum of its proper divisors (15435311851776).

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

10103113212012 is a wasteful number, since it uses less digits than its factorization.

10103113212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280642033677 (or 280642033672 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10103113212012 its reverse (21021231130101), we get a palindrome (31124344342113).

The spelling of 10103113212012 in words is "ten trillion, one hundred three billion, one hundred thirteen million, two hundred twelve thousand, twelve".