121200341311204 has 6 divisors (see below), whose sum is σ = 212100597294614. Its totient is φ = 60600170655600.

The previous prime is 121200341311171. The next prime is 121200341311223. The reversal of 121200341311204 is 402113143002121.

It can be written as a sum of positive squares in only one way, i.e., 73482612840000 + 47717728471204 = 8572200^2 + 6907802^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150042663897 + ... + 15150042663904.

Almost surely, 2^{121200341311204} is an apocalyptic number.

It is an amenable number.

121200341311204 is a deficient number, since it is larger than the sum of its proper divisors (90900255983410).

121200341311204 is a wasteful number, since it uses less digits than its factorization.

121200341311204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300085327805 (or 30300085327803 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121200341311204 its reverse (402113143002121), we get a palindrome (523313484313325).

The spelling of 121200341311204 in words is "one hundred twenty-one trillion, two hundred billion, three hundred forty-one million, three hundred eleven thousand, two hundred four".