1212000101219 has 4 divisors (see below), whose sum is σ = 1212072489144. Its totient is φ = 1211927713296.

The previous prime is 1212000101203. The next prime is 1212000101227. The reversal of 1212000101219 is 9121010002121.

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 1212000101219 - 2⁴ = 1212000101203 is a prime.

It is a super-2 number, since 2×1212000101219² (a number of 25 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 1212000101219.

It is not an unprimeable number, because it can be changed into a prime (1212090101219) 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, 36168842 + ... + 36202335.

It is an arithmetic number, because the mean of its divisors is an integer number (303018122286).

Almost surely, 2^{1212000101219} is an apocalyptic number.

1212000101219 is a deficient number, since it is larger than the sum of its proper divisors (72387925).

1212000101219 is an equidigital number, since it uses as much as digits as its factorization.

1212000101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72387924.

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

The spelling of 1212000101219 in words is "one trillion, two hundred twelve billion, one hundred one thousand, two hundred nineteen".