1001212110112 has 24 divisors (see below), whose sum is σ = 1971885135276. Its totient is φ = 500415885312.

The previous prime is 1001212110103. The next prime is 1001212110191. The reversal of 1001212110112 is 2110112121001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 992725278736 + 8486831376 = 996356^2 + 92124^2 .

It is a super-2 number, since 2×1001212110112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001212110092 and 1001212110101.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5857233 + ... + 6025744.

Almost surely, 2^{1001212110112} is an apocalyptic number.

It is an amenable number.

1001212110112 is a deficient number, since it is larger than the sum of its proper divisors (970673025164).

1001212110112 is a wasteful number, since it uses less digits than its factorization.

1001212110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885620 (or 11885612 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1001212110112 its reverse (2110112121001), we get a palindrome (3111324231113).

The spelling of 1001212110112 in words is "one trillion, one billion, two hundred twelve million, one hundred ten thousand, one hundred twelve".