121210153002205 has 16 divisors (see below), whose sum is σ = 150172093214208. Its totient is φ = 93822678648000.

The previous prime is 121210153002173. The next prime is 121210153002269. The reversal of 121210153002205 is 502200351012121.

It is a happy number.

It is not a de Polignac number, because 121210153002205 - 2⁵ = 121210153002173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121210153002205.

It is a congruent number.

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, 71829111 + ... + 73497220.

It is an arithmetic number, because the mean of its divisors is an integer number (9385755825888).

Almost surely, 2^{121210153002205} is an apocalyptic number.

It is an amenable number.

121210153002205 is a deficient number, since it is larger than the sum of its proper divisors (28961940212003).

121210153002205 is a wasteful number, since it uses less digits than its factorization.

121210153002205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145331748.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 121210153002205 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred fifty-three million, two thousand, two hundred five".