1212012010219 has 4 divisors (see below), whose sum is σ = 1275802116040. Its totient is φ = 1148221904400.

The previous prime is 1212012010171. The next prime is 1212012010291. The reversal of 1212012010219 is 9120102102121.

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 1212012010219 - 2³³ = 1203422075627 is a prime.

It is a super-2 number, since 2×1212012010219² (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 1212012010219.

It is not an unprimeable number, because it can be changed into a prime (1212012010519) 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, 31895052882 + ... + 31895052919.

It is an arithmetic number, because the mean of its divisors is an integer number (318950529010).

Almost surely, 2^{1212012010219} is an apocalyptic number.

1212012010219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1212012010219 is a deficient number, since it is larger than the sum of its proper divisors (63790105821).

1212012010219 is an equidigital number, since it uses as much as digits as its factorization.

1212012010219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63790105820.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1212012010219 in words is "one trillion, two hundred twelve billion, twelve million, ten thousand, two hundred nineteen".