121200212203 has 8 divisors (see below), whose sum is σ = 145804766720. Its totient is φ = 98418217320.

The previous prime is 121200212117. The next prime is 121200212219. The reversal of 121200212203 is 302212002121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121200212203 - 2¹⁷ = 121200081131 is a prime.

It is a super-2 number, since 2×121200212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121200212293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455639763 + ... + 455640028.

It is an arithmetic number, because the mean of its divisors is an integer number (18225595840).

Almost surely, 2^121200212203 is an apocalyptic number.

121200212203 is a deficient number, since it is larger than the sum of its proper divisors (24604554517).

121200212203 is an equidigital number, since it uses as much as digits as its factorization.

121200212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911279817.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121200212203 its reverse (302212002121), we get a palindrome (423412214324).

The spelling of 121200212203 in words is "one hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred three".