1121211302012 has 6 divisors (see below), whose sum is σ = 1962119778528. Its totient is φ = 560605651004.

The previous prime is 1121211302011. The next prime is 1121211302087. The reversal of 1121211302012 is 2102031121211.

It is a happy number.

It is a super-2 number, since 2×1121211302012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121211302011) by changing a digit.

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 as a sum of consecutive naturals, namely, 140151412748 + ... + 140151412755.

It is an arithmetic number, because the mean of its divisors is an integer number (327019963088).

Almost surely, 2^{1121211302012} is an apocalyptic number.

It is an amenable number.

1121211302012 is a deficient number, since it is larger than the sum of its proper divisors (840908476516).

1121211302012 is a wasteful number, since it uses less digits than its factorization.

1121211302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280302825507 (or 280302825505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121211302012 its reverse (2102031121211), we get a palindrome (3223242423223).

The spelling of 1121211302012 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, three hundred two thousand, twelve".