1220102012219 has 4 divisors (see below), whose sum is σ = 1220133829896. Its totient is φ = 1220070194544.

The previous prime is 1220102012209. The next prime is 1220102012303. The reversal of 1220102012219 is 9122102010221.

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 1220102012219 - 2⁴ = 1220102012203 is a prime.

It is a super-2 number, since 2×1220102012219² (a number of 25 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 = 1220102012194 and 1220102012203.

It is not an unprimeable number, because it can be changed into a prime (1220102012209) 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, 15851249 + ... + 15928034.

It is an arithmetic number, because the mean of its divisors is an integer number (305033457474).

Almost surely, 2^{1220102012219} is an apocalyptic number.

1220102012219 is a deficient number, since it is larger than the sum of its proper divisors (31817677).

1220102012219 is an equidigital number, since it uses as much as digits as its factorization.

1220102012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31817676.

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

The spelling of 1220102012219 in words is "one trillion, two hundred twenty billion, one hundred two million, twelve thousand, two hundred nineteen".