1212000219 has 16 divisors (see below), whose sum is σ = 1857472800. Its totient is φ = 780137568.

The previous prime is 1212000217. The next prime is 1212000263. The reversal of 1212000219 is 9120002121.

It is not a de Polignac number, because 1212000219 - 2¹ = 1212000217 is a prime.

It is a super-2 number, since 2×1212000219² = 2937889061712095922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212000217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773164 + ... + 774729.

It is an arithmetic number, because the mean of its divisors is an integer number (116092050).

Almost surely, 2^1212000219 is an apocalyptic number.

1212000219 is a deficient number, since it is larger than the sum of its proper divisors (645472581).

1212000219 is a wasteful number, since it uses less digits than its factorization.

1212000219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547931 (or 1547925 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1212000219 is about 34813.7935163636. The cubic root of 1212000219 is about 1066.1890864755.

The spelling of 1212000219 in words is "one billion, two hundred twelve million, two hundred nineteen", and thus it is an aban number.