121200101200212 has 48 divisors (see below), whose sum is σ = 299682341448000. Its totient is φ = 38016845579520.

The previous prime is 121200101200201. The next prime is 121200101200219. The reversal of 121200101200212 is 212002101002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200101200191 and 121200101200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200101200219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783789489 + ... + 1783857432.

It is an arithmetic number, because the mean of its divisors is an integer number (6243382113500).

Almost surely, 2^{121200101200212} is an apocalyptic number.

121200101200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121200101200212 is an abundant number, since it is smaller than the sum of its proper divisors (178482240247788).

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

121200101200212 is a wasteful number, since it uses less digits than its factorization.

121200101200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567647096 (or 3567647094 counting only the distinct ones).

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

Adding to 121200101200212 its reverse (212002101002121), we get a palindrome (333202202202333).

The spelling of 121200101200212 in words is "one hundred twenty-one trillion, two hundred billion, one hundred one million, two hundred thousand, two hundred twelve".