1012213113122 has 16 divisors (see below), whose sum is σ = 1531039672512. Its totient is φ = 501880953840.

The previous prime is 1012213113091. The next prime is 1012213113187. The reversal of 1012213113122 is 2213113122101.

It is a super-2 number, since 2×1012213113122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012213113094 and 1012213113103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458648 + ... + 3739875.

It is an arithmetic number, because the mean of its divisors is an integer number (95689979532).

Almost surely, 2^{1012213113122} is an apocalyptic number.

1012213113122 is a deficient number, since it is larger than the sum of its proper divisors (518826559390).

1012213113122 is a wasteful number, since it uses less digits than its factorization.

1012213113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199113.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1012213113122 its reverse (2213113122101), we get a palindrome (3225326235223).

It can be divided in two parts, 101 and 2213113122, that multiplied together give a palindrome (223524425322).

The spelling of 1012213113122 in words is "one trillion, twelve billion, two hundred thirteen million, one hundred thirteen thousand, one hundred twenty-two".