121200101219 has 8 divisors (see below), whose sum is σ = 122160698208. Its totient is φ = 120241892160.

The previous prime is 121200101201. The next prime is 121200101249. The reversal of 121200101219 is 912101002121.

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 121200101219 - 2³² = 116905133923 is a prime.

It is a super-2 number, since 2×121200101219² (a number of 23 digits) contains 22 as substring.

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 121200101219.

It is not an unprimeable number, because it can be changed into a prime (121200101249) 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, 495002 + ... + 698159.

It is an arithmetic number, because the mean of its divisors is an integer number (15270087276).

Almost surely, 2^121200101219 is an apocalyptic number.

121200101219 is a deficient number, since it is larger than the sum of its proper divisors (960596989).

121200101219 is a wasteful number, since it uses less digits than its factorization.

121200101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193965.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121200101219 in words is "one hundred twenty-one billion, two hundred million, one hundred one thousand, two hundred nineteen".