12122111001012 has 24 divisors (see below), whose sum is σ = 28313699781696. Its totient is φ = 4036593079488.

The previous prime is 12122111001001. The next prime is 12122111001041. The reversal of 12122111001012 is 21010011122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122111000982 and 12122111001000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513811153 + ... + 513834744.

It is an arithmetic number, because the mean of its divisors is an integer number (1179737490904).

Almost surely, 2^{12122111001012} is an apocalyptic number.

12122111001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122111001012 is an abundant number, since it is smaller than the sum of its proper divisors (16191588780684).

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

12122111001012 is a wasteful number, since it uses less digits than its factorization.

12122111001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027646887 (or 1027646885 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12122111001012 its reverse (21010011122121), we get a palindrome (33132122123133).

The spelling of 12122111001012 in words is "twelve trillion, one hundred twenty-two billion, one hundred eleven million, one thousand, twelve".