1121210210012 has 12 divisors (see below), whose sum is σ = 1966355706336. Its totient is φ = 559394293920.

The previous prime is 1121210209981. The next prime is 1121210210017. The reversal of 1121210210012 is 2100120121211.

It is a super-2 number, since 2×1121210210012² (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 (1121210210017) 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, 302700689 + ... + 302704392.

It is an arithmetic number, because the mean of its divisors is an integer number (163862975528).

Almost surely, 2^{1121210210012} is an apocalyptic number.

It is an amenable number.

1121210210012 is a deficient number, since it is larger than the sum of its proper divisors (845145496324).

1121210210012 is a wasteful number, since it uses less digits than its factorization.

1121210210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605405548 (or 605405546 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121210210012 its reverse (2100120121211), we get a palindrome (3221330331223).

The spelling of 1121210210012 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred ten thousand, twelve".