121200000200012 has 48 divisors (see below), whose sum is σ = 227478413080800. Its totient is φ = 56326629864960.

The previous prime is 121200000200003. The next prime is 121200000200051. The reversal of 121200000200012 is 210002000002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121200000199966 and 121200000200002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517033712 + ... + 517268072.

It is an arithmetic number, because the mean of its divisors is an integer number (4739133605850).

Almost surely, 2^{121200000200012} is an apocalyptic number.

It is an amenable number.

121200000200012 is a deficient number, since it is larger than the sum of its proper divisors (106278412880788).

121200000200012 is a wasteful number, since it uses less digits than its factorization.

121200000200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362826 (or 362824 counting only the distinct ones).

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

Adding to 121200000200012 its reverse (210002000002121), we get a palindrome (331202000202133).

The spelling of 121200000200012 in words is "one hundred twenty-one trillion, two hundred billion, two hundred thousand, twelve".