121200200201002 has 16 divisors (see below), whose sum is σ = 195790909034952. Its totient is φ = 55936848153600.

The previous prime is 121200200200993. The next prime is 121200200201021. The reversal of 121200200201002 is 200102002002121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24036182934241 + 97164017266761 = 4902671^2 + 9857181^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 70205163 + ... + 71910814.

Almost surely, 2^{121200200201002} is an apocalyptic number.

121200200201002 is a deficient number, since it is larger than the sum of its proper divisors (74590708833950).

121200200201002 is a wasteful number, since it uses less digits than its factorization.

121200200201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142148793.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121200200201002 its reverse (200102002002121), we get a palindrome (321302202203123).

The spelling of 121200200201002 in words is "one hundred twenty-one trillion, two hundred billion, two hundred million, two hundred one thousand, two".