121200212101002 has 24 divisors (see below), whose sum is σ = 253397796951264. Its totient is φ = 38643545886264.

The previous prime is 121200212100959. The next prime is 121200212101037. The reversal of 121200212101002 is 200101212002121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19092657838 + ... + 19092664185.

It is an arithmetic number, because the mean of its divisors is an integer number (10558241539636).

Almost surely, 2^{121200212101002} is an apocalyptic number.

121200212101002 is an abundant number, since it is smaller than the sum of its proper divisors (132197584850262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121200212101002 is a wasteful number, since it uses less digits than its factorization.

121200212101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38185322074 (or 38185322051 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121200212101002 its reverse (200101212002121), we get a palindrome (321301424103123).

The spelling of 121200212101002 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twelve million, one hundred one thousand, two".