20212001201219 has 4 divisors (see below), whose sum is σ = 20864001240000. Its totient is φ = 19560001162440.

The previous prime is 20212001201179. The next prime is 20212001201221. The reversal of 20212001201219 is 91210210021202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20212001201219 - 2²⁴ = 20211984424003 is a prime.

It is a super-2 number, since 2×20212001201219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212001201194 and 20212001201203.

It is not an unprimeable number, because it can be changed into a prime (20212001401219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326000019344 + ... + 326000019405.

It is an arithmetic number, because the mean of its divisors is an integer number (5216000310000).

Almost surely, 2^{20212001201219} is an apocalyptic number.

20212001201219 is a deficient number, since it is larger than the sum of its proper divisors (652000038781).

20212001201219 is an equidigital number, since it uses as much as digits as its factorization.

20212001201219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652000038780.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20212001201219 in words is "twenty trillion, two hundred twelve billion, one million, two hundred one thousand, two hundred nineteen".