1121210200012 has 24 divisors (see below), whose sum is σ = 2249630772480. Its totient is φ = 478973577360.

The previous prime is 1121210199997. The next prime is 1121210200031. The reversal of 1121210200012 is 2100020121211.

It is a super-2 number, since 2×1121210200012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121210199965 and 1121210200001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64369462 + ... + 64386877.

It is an arithmetic number, because the mean of its divisors is an integer number (93734615520).

Almost surely, 2^{1121210200012} is an apocalyptic number.

It is an amenable number.

1121210200012 is an abundant number, since it is smaller than the sum of its proper divisors (1128420572468).

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

1121210200012 is a wasteful number, since it uses less digits than its factorization.

1121210200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128756661 (or 128756659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121210200012 its reverse (2100020121211), we get a palindrome (3221230321223).

The spelling of 1121210200012 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred thousand, twelve".