100000122222012 has 48 divisors (see below), whose sum is σ = 234672264318240. Its totient is φ = 33142536131328.

The previous prime is 100000122221959. The next prime is 100000122222031. The reversal of 100000122222012 is 210222221000001.

It is a super-3 number, since 3×100000122222012³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100000122221982 and 100000122222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22808463 + ... + 26837030.

It is an arithmetic number, because the mean of its divisors is an integer number (4889005506630).

Almost surely, 2^{100000122222012} is an apocalyptic number.

100000122222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100000122222012 is an abundant number, since it is smaller than the sum of its proper divisors (134672142096228).

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

100000122222012 is a wasteful number, since it uses less digits than its factorization.

100000122222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49646462 (or 49646460 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100000122222012 its reverse (210222221000001), we get a palindrome (310222343222013).

The spelling of 100000122222012 in words is "one hundred trillion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".