1010111212212 has 48 divisors (see below), whose sum is σ = 2434471452672. Its totient is φ = 325639369440.

The previous prime is 1010111212199. The next prime is 1010111212213. The reversal of 1010111212212 is 2122121110101.

It is a happy number.

It is a super-2 number, since 2×1010111212212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010111212191 and 1010111212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247048 + ... + 1442655.

It is an arithmetic number, because the mean of its divisors is an integer number (50718155264).

Almost surely, 2^{1010111212212} is an apocalyptic number.

1010111212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010111212212 is an abundant number, since it is smaller than the sum of its proper divisors (1424360240460).

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

1010111212212 is a wasteful number, since it uses less digits than its factorization.

1010111212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691348 (or 1691346 counting only the distinct ones).

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

Adding to 1010111212212 its reverse (2122121110101), we get a palindrome (3132232322313).

The spelling of 1010111212212 in words is "one trillion, ten billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".