121200001212110 has 32 divisors (see below), whose sum is σ = 219027358186560. Its totient is φ = 48287440320768.

The previous prime is 121200001212091. The next prime is 121200001212211. The reversal of 121200001212110 is 11212100002121.

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, 6375695 + ... + 16824074.

It is an arithmetic number, because the mean of its divisors is an integer number (6844604943330).

Almost surely, 2^{121200001212110} is an apocalyptic number.

121200001212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200001212110 is a deficient number, since it is larger than the sum of its proper divisors (97827356974450).

121200001212110 is a wasteful number, since it uses less digits than its factorization.

121200001212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23201852.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121200001212110 its reverse (11212100002121), we get a palindrome (132412101214231).

The spelling of 121200001212110 in words is "one hundred twenty-one trillion, two hundred billion, one million, two hundred twelve thousand, one hundred ten".