1121012101212 has 12 divisors (see below), whose sum is σ = 2615694902856. Its totient is φ = 373670700400.

The previous prime is 1121012101207. The next prime is 1121012101217. The reversal of 1121012101212 is 2121012101211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121012101207) and next prime (1121012101217).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121012101191 and 1121012101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012101217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46708837539 + ... + 46708837562.

It is an arithmetic number, because the mean of its divisors is an integer number (217974575238).

Almost surely, 2^{1121012101212} is an apocalyptic number.

1121012101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121012101212 is an abundant number, since it is smaller than the sum of its proper divisors (1494682801644).

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

1121012101212 is a wasteful number, since it uses less digits than its factorization.

1121012101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93417675108 (or 93417675106 counting only the distinct ones).

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

Adding to 1121012101212 its reverse (2121012101211), we get a palindrome (3242024202423).

Subtracting 1121012101212 from its reverse (2121012101211), we obtain a palindrome (999999999999).

The spelling of 1121012101212 in words is "one trillion, one hundred twenty-one billion, twelve million, one hundred one thousand, two hundred twelve".