1201220001219 has 8 divisors (see below), whose sum is σ = 1830430478080. Its totient is φ = 686411429256.

The previous prime is 1201220001203. The next prime is 1201220001277. The reversal of 1201220001219 is 9121000221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201220001219 - 2⁴ = 1201220001203 is a prime.

It is a super-3 number, since 3×1201220001219³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57200952439 = 1201220001219 / (1 + 2 + 0 + 1 + 2 + 2 + 0 + 0 + 0 + 1 + 2 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201220001195 and 1201220001204.

It is not an unprimeable number, because it can be changed into a prime (1201220001299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28600476199 + ... + 28600476240.

It is an arithmetic number, because the mean of its divisors is an integer number (228803809760).

Almost surely, 2^{1201220001219} is an apocalyptic number.

1201220001219 is a deficient number, since it is larger than the sum of its proper divisors (629210476861).

1201220001219 is an equidigital number, since it uses as much as digits as its factorization.

1201220001219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57200952449.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1201220001219 in words is "one trillion, two hundred one billion, two hundred twenty million, one thousand, two hundred nineteen".