2121000200012 has 12 divisors (see below), whose sum is σ = 3711760689000. Its totient is φ = 1060497146016.

The previous prime is 2121000200009. The next prime is 2121000200027. The reversal of 2121000200012 is 2100020001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121000199966 and 2121000200002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031239 + ... + 2892737.

It is an arithmetic number, because the mean of its divisors is an integer number (309313390750).

Almost surely, 2^{2121000200012} is an apocalyptic number.

It is an amenable number.

2121000200012 is a deficient number, since it is larger than the sum of its proper divisors (1590760488988).

2121000200012 is a wasteful number, since it uses less digits than its factorization.

2121000200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477000 (or 1476998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2121000200012 its reverse (2100020001212), we get a palindrome (4221020201224).

The spelling of 2121000200012 in words is "two trillion, one hundred twenty-one billion, two hundred thousand, twelve".